Full opinion text
SELYA, Circuit Judge. Oliver Wendell Holmes is generally credited with pointing out that “we live by symbols” — and few symbols are better recognized than the lawman’s badge. Yet the badge, like other emblemata of power, can be tarnished. These appeals present what the government believes — and defendants steadfastly deny — is a classic example of the genre. I. TRAVEL OF THE CASE A federal grand jury returned a 58-count indictment against appellants, former members of the Boston Police Department (BPD). During the relevant period, defendant Carey was a detective sergeant. Defendants Boylan, Kilroe, McCormick, Nave, and Sheehan were under Carey’s supervision. Defendant Connolly was Sheehan’s partner for a time. The indictment charged the defendants with violating the Racketeer Influenced and Corrupt Organizations Act (RICO), by participating in the affairs of an enterprise, the BPD, through a pattern of racketeering activity, 18 U.S.C. § 1962(c) (1982), and with racketeering conspiracy, 18 U.S.C. § 1962(d) (1982). The remainder of the indictment was checkerboarded, charging various defendants with various violations, and combinations of violations, of the Hobbs Act, 18 U.S.C. §§ 1951, 1952 (1982), certain mail fraud statutes, 18 U.S.C. §§ 1341, 1342 (1982), and the like. The specific offenses did double duty, serving (with some supplementation) as predicate acts undergirding the RICO charges. Count 33 was dropped before trial. The defendants were tried together on the remaining charges. With minor exceptions— the jury acquitted Nave and Sheehan on one Hobbs Act count and acquitted Nave on a mail fraud charge — all defendants were convicted on all counts. Following the denial of sundry posttrial motions and the imposition of sentence, appeals were taken across the board. Initially, we set forth the case’s background. We then turn to the meat of defendants’ menu of assigned errors, discussing the more colorable contentions and rejecting the remainder without comment. In the interests of clarity and for ease in reference, we have prepared an appendix summarizing the indictment and will henceforth assume the reader’s familiarity with it. II. BACKGROUND In Boston, a Licensing Board (Board) regulates the dispensation and service of liquor, licensing vendors and enforcing state and municipal laws and regulations governing, inter alia, sales of alcoholic beverages, occupancy limits, conduct of licensed premises, and hours of operation. If rules are broken, the Board may impose penalties ranging from a warning, to probation, to suspension or revocation of an establishment’s license. All Boston police detectives are considered agents of the Board responsible for inspecting licensed premises and reporting infractions; they are empowered to apply for criminal complaints and file charges with the Board as may be necessary. Detectives are also eligible for private duty on their own time — duty which can be quite lucrative. The BPD’s rules prohibit policemen from providing such private services except through official channels, i.e., in accordance with the police unions’ collective bargaining agreements and BPD regulations, and for set fees. These rules safeguard the equal distribution of income-supplementing opportunities, ensure that matters remain aboveboard, and deter potential abuses. Officers are flatly prohibited from accepting more generous remuneration or performing details not posted and assigned through the proper departmental offices. Between 1975 and 1986 each defendant was assigned for some period of time to work nights in District 4, encompassing Back Bay, the Fenway section, and certain other Boston neighborhoods. District 4 is a hotbed of nightclubs, saloons, and other establishments, including some so-called “gay bars,” where appetites can be satisfied and thirsts slaked. According to the indictment, many of the alleged offenses occurred when defendants accepted cash payments outside the rules from proprietors of licensed establishments. Typically, the payments — anywhere from $100 to $600 per officer per occasion — were made during holiday season and at “vacation time.” The defendants were said to have reciprocated by rendering favors ranging from the relatively innocuous (e.g., the provision of escort services when bank deposits were made; preferentially quick responses to disturbances) to the downright sinister (e.g., behind-the-scenes “help” in handling “problems” with the police; quashing of charges; influencing the Board’s regulatory and enforcement actions). In the indictment, these events were clustered into several series of racketeering acts. Each series bore a letter designation corresponding to a separate person with some interest in a particular locus. III. RACKETEERING We begin with the contention that the evidence failed to show either a linked pattern of racketeering activity or a RICO conspiracy. A. Evidentiary Sufficiency. Defendants claim that the aggregate proof indicated only dubious free-lancing by some officers or, at worst, a cluster of small, disconnected, nickel-beer conspiracies. We summarize the alphabetized series of racketeering acts which the indictment alleged and the proof depicted, basing our narrative upon “the evidence in its totality, taken in the light most flattering to the government, together with all legitimate inferences to be drawn therefrom, in an effort to ascertain whether a rational trier of the facts could have found the appellants] guilty beyond any reasonable doubt.” United States v. Tierney, 760 F.2d 382, 384 (1st Cir.), cert. denied, 474 U.S. 843, 106 S.Ct. 131, 88 L.Ed.2d 108 (1985). 1. Series A. Norman Chaletzky owned interests in three nightclubs: 88 Queens-bury; the 1270; and the Kentucky Tavern. From 1979 to 1986, Chaletzky paid Sheehan and Connolly semi-annually, in $500 increments, so that they would remain his “friends” rather than become his “enemies.” In return, Connolly gave Chaletzky his home telephone number and the telephone number for the detectives' room at the precinct house. He promised that he and Sheehan would hold themselves available to “help” with license violations and would deal with the authorities on Chaletz-ky’s behalf. 2. Series B. Five defendants (Boylan, Carey, Kilroe, McCormick, and Nave) received money from Joseph McGowan, a co-owner of the 1270, during the period 1983-85. The amounts ranged from $200 to $600 per payment. In return, the detectives forewarned McGowan of inspections, assisted him by “fixing” citations, and interceded with Board personnel to sidetrack adversary proceedings. The interventions appear to have been effective: during the relevant period, there were no disciplinary hearings involving the 1270 despite numerous reports of serious violations occurring there. 3. Series C and D. These counts involved Thomas Moloney, owner of Frank 'N Steins (FNS) and Play It Again Sam’s (PIAS), and co-owner, with Warren Frank, of Patrick Brady’s Grand Back Bay Pub and Grill (Brady’s). From 1980 to 1986, Moloney made periodic payments of $200 to $300 to Kilroe and the defendant who happened to be Kilroe’s partner at the time. In December 1984, Frank also paid Kilroe $200. Kilroe gave Moloney the telephone number to the detectives’ room, offered escort services, tried to exert influence when a citation for overcrowding was issued to PIAS, and prompted an unusually celeritous police response when an untoward incident occurred at FNS. Kilroe volunteered escort services to Frank and gave him a business card on which McCormick’s name was written. 4. Series F. The Blacke brothers, George and Lawrence, operated Nine Lans-downe. They made frequent payments to Nave and Sheehan in the 1984-86 time frame. The detectives gave the brothers their home telephone numbers and assisted them in divers ways: for example, the officers “straightened out” a patron who had frightened the Blackes; on another occasion, they resolved a dispute which arose out of a fight in the club. Nave and Shee-han would pick up George Blacke in their police cruiser, ask if he “needed anything” and if “everything was okay;” Blacke would then pay them $100 apiece “to stay in good.” The Blackes made other payments to Nave, Sheehan, Boylan, and Kil-roe. 5. Series H. Connolly rendered unauthorized escort services to John Moriarty, the manager of the Cafe Budapest. Connolly did the honors personally for the most part, often in a police car. Sheehan frequently accompanied him. In return, Connolly received free meals and drinks for himself, his family and friends. He also accepted interest-free loans. 6. Series I. Jean Tasse, an employee of a corporation which operated two nightclubs (Metro and Spit), paid Boylan, Connolly, Nave, and Sheehan in excess of the established rates for police details and made other cash payments to them. To reciprocate, Nave, Sheehan, and Boylan came to the corporation’s assistance when it was cited for violations. 7. Series J. United Liquors (UL), a wholesaler, owned a billboard overlooking Fenway Park. Baseball fans, eager to avoid mounting ticket prices, often mounted the billboard instead to watch Boston Red Sox games in a cost-effective manner. Mary Fortier, a UL employee, called Shee-han in 1983 to arrange a security detail to ward off sign-perehers. Sheehan did not process the request through proper channels. Rather, he supplied Fortier with the names of policemen whom he said had performed the work and stipulated amounts to be paid to each. Following Sheehan’s instructions, Fortier mailed checks to Shee-han’s address for him to distribute to the designated police officers. The list, however, was bogus. Except for checks written to Nave (which Nave negotiated) and one check to Boylan, see infra note 5, Sheehan forged the payees’ signatures and kept the money. This practice continued through 1985; 96 checks, totalling some $14,000, were transmitted. Neither Nave nor Sheehan reported the income for tax purposes. At the expense of some repetition, we also scrutinize the evidence from a slightly different coign of vantage, taking the defendants one by one, in alphabetical order. 1. Boylan. The evidence showed that from 1984 through 1986 Boylan helped Carey and Kilroe “fix” numerous citations against the 1270 by intervening with line officers. A good illustration concerns a 1984 citation stemming from the alleged rape of a minor at the 1270. Boylan, Carey, and Kilroe reported periodically to McGowan on their efforts to influence members of the Board and shelve the citation. At Christmas that year, Boylan’s payment from the 1270 was picked up by Carey (who collected payments for a number of the defendants). The citation eventually came to naught. In 1983-85, Boylan was one of several officers (including Nave, Sheehan, and Connolly) to whom Tasse paid $900 annually. Boylan contacted Nave and Sheehan for Tasse when Tasse could not do so directly. The trio teamed to cover up violations. According to Tasse’s testimony, Boylan collected money not only for himself, but on occasion for Nave, Sheehan, and other defendants. Boylan also accepted other payments, e.g., $200 from Frank (who had given the money to Kilroe to split with Boy-lan) and $200 from Lawrence Blacke (also via Kilroe). 2. Carey. Carey was introduced to McGowan by Sheehan. Carey, Boylan, and Kilroe visited McGowan at the 1270 in 1984. Carey told him that they had come to be “taken care of.” After receiving $300 each, Carey told McGowan to call if he had any “problems.” Carey returned to the 1270 later that summer to pick up money for another detective. He told McGowan to let him know whenever McGowan wanted to have an after hours party. In November, Carey worked with Kilroe and Boylan to prevent prosecution of the rape citation described earlier. McGowan gave Carey $600 to be divided between the officer who wrote the citation and a Board employee. Tape recorded conversations revealed that in the fall of 1984 Carey received $1400 from McGowan for himself, McCormick, Boylan, Kilroe, and a fifth person. Carey stated that McCormick asked him to make the collection. He acknowledged that another officer had been paid off and that McCormick was involved. Carey told McGowan that he and his cohorts “can assist you like we have in the past,” and warned McGowan against attempting to bribe a particular (honest) deputy. Carey also told McGowan about a time when he, Boylan, and Kilroe were miffed because they thought they had been shortchanged in a payoff. The record shows that Carey gave tit for tat. A typical example of illicit assistance occurred in 1985. In respect to an overcrowding violation, Carey told McGowan that court proceedings would be pretermit-ted and that “we’ll take care of the Board.” His prediction proved prophetic: neither a court action nor a Board hearing eventuated. Carey and Kilroe later explained to McGowan how they ensured that the complaint would not be prosecuted. In 1985 and 1986, Carey, Boylan, and Kilroe derailed other charges by intervening with the detectives who issued the citations. When Carey was transferred in June 1985, he advised McGowan that another detective would continue to “take care of” the 1270 and that McGowan could pay for the service through Carey. 3.Connolly. Chaletzky was introduced to Connolly and Sheehan in 1979. The detectives told him that they “oversaw” the clubs in District 4 and that if Chaletzky had any problems with the police he should contact them. In exchange, Connolly and Sheehan were each to receive $500 at Christmas and at vacation time. Connolly picked up the money twice a year at Chaletzky’s office, sometimes accompanied by Sheehan. Sheehan also received $150 or $200 from Chaletzky through Connolly for Sheehan’s efforts in respect to a homicide investigation involving 88 Queens-bury. Connolly asked for extra money after he expedited a gun permit that Chaletz-ky wanted. McGowan testified that Connolly and Sheehan came to the 1270 one night and told him he was “in trouble” for overcrowding and serving a minor. After being informed that the 1270 was part of Chaletzky’s family of clubs, the pair never issued a citation. When Connolly was transferred, he told Chaletzky he could still “help” if there were any “problems” and passed along his new telephone number. As already recounted, Connolly, via Nave, received several payments from Metro and Spit. And, he accepted free meals, beverages, and loans from Cafe Budapest in return for escort services and the like. 4. Kilroe. In December 1983, Kilroe became McCormick’s partner (replacing Nave). They took money from McGowan. Kilroe was also involved with Carey and Boylan in quashing the rape citation against the 1270. During February 1985, Chaletzky gave Kilroe $100 to take care of an overcrowding violation. Beginning around then, Kilroe and Boylan performed a series of mock inspections for the benefit of the 1270. From 1979 to 1986 Kilroe picked up $400-$600 annually from Moloney. Boylan and McCormick were likewise implicated. On one occasion, Kilroe and Boylan were reprimanded after attempting to influence a police officer who had reported an overcrowding incident at PIAS. Moloney told Frank that Kilroe and his partners were the only police they could count on and that he (Moloney) paid them every Christmas. Kilroe also received $400 for himself and Boylan from the Blackes after Nave suggested that such a payment was in order. In 1985, Kilroe and Boylan took George Blacke for a ride in their police car and told him they would “work with” him if there were ever a “problem.” Once Kilroe scared off a disgruntled patron who had threatened Blacke; Blacke gave Kilroe $400. Boylan acknowledged receiving half of the payoff. 5. McCormick. McCormick wrote a citation against the 1270 and the Board scheduled a hearing in September 1982. Sheehan told McGowan not to worry because the hearing was “all set.” Sheehan was right. McGowan paid McCormick and Nave in January 1983. Later in 1983, after Kilroe became McCormick’s partner, they collected money from McGowan. McCormick reminded McGowan to call if he had “any trouble.” He informed McGowan that Nave was now Sheehan’s partner and would henceforth take care of his own payments. McCormick also stated that Chal-etzky (whom he regarded as McGowan’s boss) was “paying off” Sheehan. In 1984, McCormick sent Carey to pick up the detectives’ “vacation money” from McGowan (in-eluding money for McCormick). In March 1985, McCormick told McGowan that an overcrowding citation had been deep-sixed. And as mentioned earlier, Kilroe received cash from Moloney and split it with McCormick. 6. Nave. Nave’s dealings vis-a-vis McGowan have already been chronicled and do not bear repetition. We add two lagniappes: (1) Nave did not allow Carey to retrieve his cut from McGowan. He did so himself, stating that he did not want “Carey and them picking mine up.” (2) Nave also met McGowan at court and made inquiries on his behalf concerning matters which might be pending against the 1270. The Blackes paid money to both Nave and Sheehan. In 1985-86, George Blacke paid them $100 apiece every other month “to stay in good with them and to be able to call them if I needed them.” The Blackes also began paying Kilroe and Boy-lan at Nave’s suggestion. Nave and Shee-han responded promptly whenever the Blackes sought their help. Nave also collected money from Tasse for himself and other officers (including Boylan, Connolly, and Sheehan). In exchange, the detectives gave special attention to Tasse’s businesses. If one of his bars was cited, Tasse would call Nave or Sheehan. 7. Sheehan. Sheehan was involved with Connolly in protecting Chaletzky’s clubs and often accompanied Connolly when money changed hands. It was Shee-han who introduced McGowan to Nave. Sheehan spoke with a Board member about a case against McGowan while it was pending; later, accompanied by Nave, he told McGowan: “Don’t worry, it’s all set.” The 1270 received only a wrist slap; its license was not suspended. Sheehan had a plethora of other connections to the operation. He and Nave participated together in dealings with the Blackes; both were in the group which took money from Tasse; and Sheehan aided Connolly in furnishing escort services to Cafe Budapest. Having done little more' than scratch the tip of a fair-sized iceberg, we limn the legal parameters of our inquiry. In order to convict a defendant for a RICO conspiracy, the government must prove: (1) the existence of an ‘enterprise,’ (2) that the defendant knowingly joined the enterprise and (3) that the defendant agreed to commit, or in fact committed, two or more specified predicate crimes as part of his participation in the affairs of the enterprise. United States v. Torres Lopez, 851 F.2d 520, 528 (1st Cir.1988), cert. denied, — U.S. -, 109 S.Ct. 1144, 103 L.Ed.2d 204 (1989); see also United States v. Angiulo, 847 F.2d 956, 964 (1st Cir.), cert. denied, — U.S. -, 109 S.Ct. 314, 102 L.Ed.2d 332 (1988). In this case, the existence of an “enterprise” as that term is used in the RICO statutes is not open to serious question. Cf., e.g., Carroll v. Capalbo, 563 F.Supp. 1053, 1058 (D.R.I.1983) (“if it walks like a duck, and it squawks like a duck, it must be a duck”). And, if the evidence was sufficient to show a master conspiracy and defendants’ union therein, the third furculum of the test was plainly achieved. Our inquiry thus reduces to whether such a conspiracy, knowingly joined by all defendants, was satisfactorily proven. Factors to be considered in deciding whether one, or many, conspiracies were demonstrated include the nature, design, implementation, and logistics of the illegal activity; the participants’ modus operandi; the relevant geography; and the scope of coconspirator involvement. See United States v. Rivera-Santiago, 872 F.2d 1073, 1079 (1st Cir.), cert. denied, — U.S. -, 109 S.Ct. 3227, 106 L.Ed.2d 576 (1989); United States v. Drougas, 748 F.2d 8, 17 (1st Cir.1984). The conspiratorial agreement need not be express so long as its existence can plausibly be inferred from the defendants’ words and actions and the interdependence of activities and persons involved. United States v. Glenn, 828 F.2d 855, 857 (1st Cir.1987); United States v. Flaherty, 668 F.2d 566, 580 (1st Cir.1981). What counts is whether it can be said, on the totality of the evidence, that “all of the alleged coconspirators directed their efforts towards the accomplishment of a common goal or overall plan,” Drougas, 748 F.2d at 17; Flaherty, 668 F.2d at 580, agreeing in the bargain to participate in the enterprise’s affairs through the commission of at least two predicate crimes. To be guilty, colloguers need not be joined at the chest like Chang and Eng. A RICO conspiracy does not demand total fusion or that all defendants participate in all racketeering acts, know of the entire conspiratorial sweep, or be acquainted with all other defendants. See United States v. Stratton, 649 F.2d 1066, 1074 (5th Cir.1981); United States v. DePeri, 778 F.2d 963, 975 (3d Cir.1985), cert. denied, 475 U.S. 1110, 106 S.Ct. 1518, 89 L.Ed.2d 916 (1986). “The fact that every defendant did not participate in every transaction necessary to fulfill the aim of their agreement does not transform a continuing plan into multiple conspiracies.” Drougas, 748 F.2d at 17; see also United States v. Garcia-Rosa, 876 F.2d 209, 223 (1st Cir.1989), cert. denied, — U.S. -, 110 S.Ct. 742, 107 L.Ed.2d 760 (1990). Nevertheless, the component parts must be linked together in such a way as to afford a plausible basis for the inference that an agreement existed. The evidence, we think, was more than ample to meet the applicable standard and tie the specified racketeering acts together. The prosecution may, of coursé, “prove its case through the use of circumstantial evidence so long as the total evidence, including reasonable inferences, is sufficient to warrant a jury to conclude that the defendant is guilty beyond a reasonable doubt.” United States v. Campa, 679 F.2d 1006, 1010 (1st Cir.1982). Here, the similarities among the defendants and their activities were nothing short of striking: each defendant was a detective assigned to work nights in District 4 at some time during the indictment period; each received things of value, usually cash, from restaurant or nightclub owners in exchange for services not officially sanctioned; the targeted establishments were all in District 4 and all under the Board’s aegis. The services themselves bore hallmarks of similarity. Moreover, there was a significant degree of interconnectedness. The defendants often cooperated with one another in collecting payments and in providing their specialized services. These common characteristics are precisely the kind of factors which can permissibly lead to the inference of a single conspiracy. See Rivera-Santiago, 872 F.2d at 1079; Drougas, 748 F.2d at 17. In a nutshell, the scenario portrays an association with far more than one “common thread” among the defendants. See Stratton, 649 F.2d at 1073 n. 8. By the same token, we think that the proof of each defendant’s complicity was convincing. Indeed, if the prosecution’s version is accepted, there is little question that each defendant was extensively involved in a shared plan preying upon licensed premises, with every defendant participating in at least two predicate acts. The jury could well have concluded that the defendants (1) schemed to conduct the BPD’s affairs through racketeering acts in pursuit of their mutual goal, and (2) were imbricated as a group, viewing themselves as interchangeable in important respects. One defendant, Carey, literally supervised five of the other defendants. Save only for Connolly, each of the defendants was directly connected by word and deed to all other defendants in the course of at least one racketeering act. And Connolly was sufficiently implicated: his intercourse with Boylan, Nave, and Sheehan in four of the Series I crimes, to cite one handy illustration, bespoke his complicity. As we have said, an accused’s lack of direct connection with, or knowledge of, every racketeering act or series, does not preclude the inference of a single conspiracy; nor does it preclude the inference that a particular defendant was a champion of the master conspiracy. See Garcia-Rosa, 876 F.2d at 223; Drougas, 748 F.2d at 17. To be sure, there was no proof of an express agreement. That is unsurprising: criminal conspiracies are by their nature clandestine. But an implied agreement can, and often does, suffice to ground a conspiracy charge. See, e.g., Glenn, 828 F.2d at 857-58. Here, a tacit accord was easily inferable. Defendants often spoke to their victims about other victims or other defendants in words which plainly revealed that the crimes were interdependent. The conspirators’ success at one club helped to facilitate unlawful arrangements with other clubs. Some of the schemes were conjoined, while others were indirectly connected through common actors. Within the totality of the evidence, these facts unquestionably provided sufficient basis to infer that “all of the alleged coconspirators directed their efforts towards the accomplishment of a[n] ... overall plan.” Drougas, 748 F.2d at 17. In a criminal case, the jury’s finding of guilt need not be inevitable. If the evidence, though susceptible to conflicting inferences, is adequate to permit a reasonable trier of fact to have found the essential elements of the charged crime beyond a reasonable doubt, a guilty verdict may appropriately be returned. See Torres Lopez, 851 F.2d at 527-58. This case falls comfortably within those familiar parameters: on the record as a whole, a rational jury could have found beyond reasonable doubt that an “enterprise” flourished; that a single master conspiracy overspread the serial sub-conspiracies; that each defendant knowingly and willfully joined in the illicit agreement to conduct the affairs of the enterprise (the BPD) through racketeering activity; and that each defendant perpetrated two or more predicate crimes in the course of the tawdry affair. B. Jury Instructions: Conspiracy. Appellants next assert that the district court’s charge enfeebled their defense by glossing over the multiple conspiracy rule. We are unpersuaded. The rule’s underpinnings are firm. The criminal law does not permit responsibility to be founded on mere association. Guilt “is not a matter of mass application,” but “remains individual and personal, even as respects conspiracies.” Kotteakos v. United States, 328 U.S. 750, 772, 66 S.Ct. 1239, 1251, 90 L.Ed. 1557 (1946). The necessary and proper query relates to an individual defendant’s involvement. A conspiracy trial, therefore, must probe “what kind of agreement or understanding existed as to each defendant.” United States v. Borelli, 336 F.2d 376, 384 (2d Cir.1964), cert. denied, 379 U.S. 960, 85 S.Ct. 647, 13 L.Ed.2d 555 (1965). In this sense, RICO prosecutions are no exception. See United States v. Sutherland, 656 F.2d 1181, 1189, 1194 (5th Cir.1981), cert. denied, 455 U.S. 949, 102 S.Ct. 1451, 71 L.Ed.2d 663 (1982). Hence, the multiple conspiracy rule is generically applicable in the RICO environment. Moreover, the question of whether a single or multiple conspiracy exists is ordinarily one of fact. Rivera-Santiago, 872 F.2d at 1079; Drougas, 748 F.2d at 17. If, on the evidence adduced at trial, a reasonable jury could find more than one such illicit agreement, or could find an agreement different from the one charged, a multiple conspiracy instruction is proper and should be given if requested. United States v. Dwyer, 843 F.2d 60, 61-62 (1st Cir.1988); United States v. Erwin, 793 F.2d 656, 662 (5th Cir.), cert. denied, 479 U.S. 991, 107 S.Ct. 589, 93 L.Ed.2d 590 (1986). In this case, there were clearly multiple conspiracies: the indictment charged not only the omnibus RICO conspiracy involving all seven defendants, but six separate sub-conspiracies involving different groupings of defendants, see supra note 1. Recognizing as much, the district court purposed to cover the point in its instructions: “Should you find that any defendant participated in a conspiracy that was different from those charged in the indictment, that determination would be no basis for finding the defendant guilty of any of the offenses charged.” Appellants complain that this reference suggested that the government was only precluded from proving conspiracies outside the scope of the indictment and could have misled the jurors into convicting a defendant on the RICO count so long as he was found to have entered into any of the charged sub-conspiracies, regardless of whether the omnibus RICO conspiracy, or the particular defendant’s participation therein, was proven. We decline appellants’ invitation to treat this single admonition in a vacuum. Read as a whole, the jury instructions were sensitive to defendants’ rights. The court impressed upon the jury that each element of each charged offense had to be found beyond a reasonable doubt as to each defendant before a guilty verdict could be returned against that defendant. At the very outset of its formal instructions, the court asked the jury to “give separate consideration to each defendant and each charge,” that is, to “consider each count and each defendant separately, considering the evidence as it bears against that defendant on that count in accordance with the instructions.” The court repeatedly emphasized and reemphasized that the defendants were to be treated severally and individually in connection with each particular charge. As to the RICO conspiracy, the court framed the question as whether “the government carried its burden of proving each defendant guilty beyond a reasonable doubt of the charge listed,” reminding the jury that the “essential elements are required to be proved beyond a reasonable doubt in order to establish the guilt of a particular defendant.” And the jury was explicitly advised of its duty to determine whether the conspiracies existed “as charged.” Throughout the instructions, the court stressed that mere association or presence was insufficient to establish a given conspiracy. In instances too numerous to cat-alogue profitably here, the court made references to the defendants and the charges against them in singular form, focusing the jury’s attention on “each defendant considered separately” according to “each charge.” Time and again the court repeated that the government’s burden was in no way lessened by the multiplicity of defendants and of charges. To say more would only paint the lily. We gauge each jury instruction in the context of the charge as a whole, not in isolation. See United States v. Serino, 835 F.2d 924, 930 (1st Cir.1987); United States v. Cintolo, 818 F.2d 980, 1003 (1st Cir.), cert. denied, 484 U.S. 913, 108 S.Ct. 259, 98 L.Ed.2d 216 (1987); see also Cupp v. Naughten, 414 U.S. 141, 146-47, 94 S.Ct. 396, 400, 38 L.Ed.2d 368 (1973). So viewed, we think the district court made it pellucid that only a conspiracy charged in a particular count of the indictment, and no other conspiracy, whether or not charged elsewhere in the bill, could properly bottom a conviction. A trial judge has no obligation to use the precise language that a defendant prefers. Cintolo, 818 F.2d at 1004. Rather, “it is the judge’s responsibility to ensure that the jury understands and appreciates the applicable law, and he is entitled to. appreciable leeway in the manner of expression.” United States v. Nazzaro, 889 F.2d 1158, 1167 (1st Cir.1989). We see nothing in the district court’s aggregate instructions which could have confused the jurors, led them into error, or persuaded them to believe that a defendant should be found guilty of the RICO conspiracy—or any other charge for that matter—unless all essential elements of the particular offense had been proven. In the ensemble, the instructions provided ample safeguard that the conviction of one defendant on a particular charge would ensure neither the conviction of other defendants on that charge nor the conviction of the guilty defendant on any other count. IV. JOINDER AND SEVERANCE Before trial, each defendant unsuccessfully moved for severance under Fed.R. Crim.P. 8(b) and 14. They now argue that they were improperly joined in this single indictment and that the trial court abused its discretion in denying their motions to sever. A. Joinder. We begin with the unassailable: “The government is entitled to charge and join parties on the basis of what it reasonably anticipates proving against all.” United States v. Martinez, 479 F.2d 824, 828 (1st Cir.1973). Nevertheless, mere similarity of acts, without more, does not justify joinder. United States v. Talavera, 668 F.2d 625, 629 (1st Cir.), cert. denied, 456 U.S. 978, 102 S.Ct. 2245, 72 L.Ed.2d 853 (1982); King v. United States, 355 F.2d 700, 703 (1st Cir.1966). A rational basis in fact, sufficient to warrant joinder, must be discernible from the face of the indictment. United States v. Arruda, 715 F.2d 671, 678 (1st Cir.1983). In this fashion, Rule 8(b) codifies a balanced compromise between a defendant’s right to have his guilt considered separately and the systemic benefits of consolidated trials. See United States v. Luna, 585 F.2d 1, 4 (1st Cir.), cert. denied, 439 U.S. 852, 99 S.Ct. 160, 58 L.Ed.2d 157 (1978); Martinez, 479 F.2d at 828. We need not pursue too closely the type of affiliating circumstances generally required for joinder since we have squarely held joinder to be proper where, as here, a single RICO count “embrace[s] all of the acts and transactions upon which the other ... counts [are] based.” United States v. Tashjian, 660 F.2d 829, 833 (1st Cir.), cert. denied, 454 U.S. 1102, 102 S.Ct. 681, 70 L.Ed.2d 646 (1981); see also United States v. Davis, 707 F.2d 880, 883 (6th Cir.1983). So long as there is a responsible basis for the averments, charging an omnibus RICO conspiracy normally supplies the glue necessary to bond multiple defendants together in a single proceeding where all are accused of participating in the conspiracy. See United States v. Zannino, 895 F.2d 1, 16 (1st Cir.1990); see also Arruda, 715 F.2d at 678 (similar; non-RICO conspiracy). This case exemplifies the general rule. The indictment charged each defendant with substantive RICO violations, with joining the overall RICO conspiracy, and with personally committing several predicate acts. The RICO charges embraced all the events upon which the other 56 counts were based. There was ample reason for shaping the indictment in this manner: similarities among the predicate acts — including their tight geographic and chronological setting and the coconspirators’ common employment — suggested the existence of a joint criminal enterprise. The public benefit of a common trial was readily apparent. By and large, the racketeering acts and corresponding counts presented the requisite “sameness” to warrant joinder. Furthermore, the evidence presented at trial was ample to convict all defendants of the omnibus conspiracy. This is a good assurance that joinder was not a result of prosecutorial bad faith but was founded on a reasonable, good faith basis in fact. See Arruda, 715 F.2d at 678; Luna, 585 F.2d at 4. Even our admitted reservations about the UL counts, see infra Part V, weigh rather lightly in this balance. Decisions as to the propriety of joinder must be reviewed on the basis of what the prosecutor, exercising due diligence, knew (or sensibly believed) when the indictment was drawn. We think that, whatever conclusion a retrospective look may yield, the government, going into the case, had grounds for a reasonable anticipation that the UL scheme could be wedded to the other racketeering acts. Stringing the counts together was proper. B. Severance. Deciding whether to grant or deny a severance is a matter committed to the trial court’s sound discretion; we will interfere with the exercise of that discretion only upon a demonstration of manifest abuse. Arruda, 715 F.2d at 679; Talavera, 668 F.2d at 630. When severance has been refused, the burden is on appellants “to make a strong showing of prejudice” in order to gain a new trial. United States v. Porter, 764 F.2d 1, 12 (1st Cir.1985) (listing cases); see also United States v. Cresta, 825 F.2d 538, 554 (1st Cir.1987), cert. denied, 486 U.S. 1042, 108 S.Ct. 2033, 100 L.Ed.2d 618 (1988); Luna, 585 F.2d at 4; United States v. Smolar, 557 F.2d 13, 21 (1st Cir.), cert. denied, 434 U.S. 866, 98 S.Ct. 203, 54 L.Ed.2d 143 (1977). In this context, “prejudice means more than just a better chance of acquittal at a separate trial.” Martinez, 479 F.2d at 828. This is a difficult battle for a defendant to win. There is always some prejudice in any trial where more than one offense or offender are tried together—but such “garden variety” prejudice, in and of itself, will not suffice. See Cresta, 825 F.2d at 554-55; United States v. Palow, 777 F.2d 52, 56 (1st Cir.1985), cert. denied, 475 U.S. 1052, 106 S.Ct. 1277, 89 L.Ed.2d 585 (1986); Tashjian, 660 F.2d at 834. Even where large amounts of testimony are irrelevant to one defendant, or where one defendant’s involvement in an overall agreement is far less than the involvement of others, we have been reluctant to secondguess severance denials. See, e.g., Cresta, 825 F.2d at 554-55; Arruda, 715 F.2d at 679; Smolar, 557 F.2d at 21. In the present case, of course, the same considerations which authorize join-der militate in favor of overruling defendants’ Rule 14 claim. Moreover, we discern no unfair or unacceptable level of prejudice, that is, we see little beyond the type and degree of prejudice customary in virtually all high-profile trials of multiple defendants and charges. There is nothing to suggest that the number of defendants and charges was so large that the jury could not distinguish among them. See Luna, 585 F.2d at 5. The discriminating verdict itself (as respects counts 28 and 40) evidenced that the jurors were able to, and did, follow the court’s instructions. See Cresta, 825 F.2d at 554-55; Tashjian, 660 F.2d at 834. Furthermore, as we describe more particularly infra Part V(B), the trial judge took effective measures to prevent any significant spillover from materializing. There were appropriate limiting instructions as to the admissibility of evidence against particular defendants and as to the need to determine guilt on an individual basis. All in all, this situation manifests the benefits of consolidated trials, with no corresponding drawbacks sufficient to necessitate severance. See Cresta, 825 F.2d at 555; Arruda, 715 F.2d at 678-79. There was no misuse of the district court’s Rule 14 discretion. V. VARIANCE Appellants assert with considerable fervor that there were material variances between the conspiracies charged and proven. We are fully satisfied, for reasons implicit in what we have already written, that no variance existed among the several bar/restaurant/nightclub protection schemes, on the one hand, and the charged RICO conspiracy, on the second hand. The only doubtful area concerns whether the UL crimes (Series J) were properly within the scope of the master conspiracy; and if not, whether transferred guilt (or “spillover”) attributable to them led the jury to convict on the RICO charges. A. Was There a Variance? Our analytic roadmap is well drawn: [A]n appellate court, reviewing the type of alleged variance ... should ask the following questions. (1) Is the evidence sufficient to permit a jury to find the (express or tacit) agreement that the indictment charges? (2) If not, is it sufficient to permit a jury, under a proper set of instructions, to convict the defendant of a related, similar conspiracy? (3) If so, does the variance affect the defendant’s substantial rights or does the difference between the charged conspiracy and the conspiracy proved amount to “harmless error?” Glenn, 828 F.2d at 858; see also United States v. Thomas, 895 F.2d 51 at 55-57 (1st Cir.1990). In this case, the journey’s first leg is humdrum; the evidence was unquestionably sufficient to permit a jury to find the RICO conspiracy. It was also sufficient, however, to permit the jury to find other, less encompassing conspiracies. Most pertinent for present purposes, we think that the UL crimes constituted a separate conspiracy and that the evidence did not allow a finding that they were within the master conspiracy’s scope. We start by stating the obvious: the UL plot, on its face, seems a breed apart from the other racketeering allegations mentioned in the indictment. For one thing, the illegal activity — defrauding a business by trick — was dissimilar in nature and kind to that involved in the bar/restaurant/nightclub schemes. The method of operation was foreign to the other schemes; rather than being accomplished through a series of consensual payments resulting from extortion or improper favors, Series J involved the procurement of money through mail fraud, forgery, and misrepresentation. Such methodologic differences are important. See, e.g., Rivera-Santiago, 872 F.2d at 1079; Drougas, 748 F.2d at 17. The target was also dissimilar; UL, a wholesaler and importer, was not the operator of licensed premises open to the paying public. It was therefore not subject to the sort of street-level oversight and regulatory control that made the other businesses so vulnerable to corrupt enforcement and undeserved preferences. Preying upon UL required a different tack. This uniqueness had another relevant aspect: unlike the bar/restaurant/nightclub schemes, which fed upon one another, it seems doubtful that the UL “venture could have helped the [other] venture[s], or vice versa.” See Glenn, 828 F.2d at 859. Then, too, the billboard caper was much more tightly circumscribed, known by far fewer defendants, and bereft of the interconnections so prevalent among the other series of racketeering acts. Only Nave and Sheehan were directly involved. There is precious little evidence to suggest that any of the other defendants approved of, joined, or shared Nave’s and Sheehan’s efforts to conduct BPD affairs through mail fraud. Put bluntly, too few of the common threads which ran through the fabric of the other racketeering acts ensnarled the UL affair. To be sure, criminal conspiracies come in a wide variety of sizes, shapes, and styles. Yet, a prosecutor cannot string disparate incidents together by strands of supposition and surmise and expect the tie to bind. In this instance, the government argues that all the defendants, in Series J and beyond, used their official positions illegally to gain things of value. That is so — but it cannot be enough. There must be more of a nexus than rough temporal and geographic identity and affiliation with the same governmental unit. Were the government’s generality legally sufficient, the prosecution could enfold within the RICO conspiracy charge every other BPD officer who, for example, may have accepted gratuities for voiding parking tickets in District 4 during the same time frame. We cannot accept that the law would allow painting with so broad a brush, conglomerating a bewildering array of markedly dissimilar criminal acts as part of a single RICO conspiracy on so tenuous a connection as has been demonstrated here. The UL affair did not belong within the confines of the omnibus RICO conspiracy. To this extent, a variance existed. B. Was There Prejudice? At the bottom line, the finding that the UL scheme constituted a variance does not profit the appellants: we conclude that the variance did not impact any defendant’s substantial rights and, thus, can be dismissed as harmless. Variance requires reversal only where defendants demonstrate that the difference in proof somehow affected their “substantial rights” so that they were “significantly prejudiced.” Glenn, 828 F.2d at 859-60; see also Thomas, 895 F.2d at 56-57; Drougas, 748 F.2d at 17; Flaherty, 668 F.2d at 582. In this instance, Nave and Sheehan were found guilty of other non-UL-related offenses simultaneously charged as predicate acts, so there is no chance that they were found guilty of the RICO conspiracy solely on the basis of their involvement with UL. Moreover, by acquitting Nave and convicting Sheehan on count 40, and acquitting both on count 28, the jury showed its ability to discriminate between the individual defendants and among the charged offenses, thereby blunting any accusation of harmful spillover. Slightly more troubling is the defendants’ united protest that prejudice inured because UL evidence, admitted without limitation, tainted the jury’s perception of the case. The defense premise is sound in the abstract: courts must be vigilant in guarding against transference of guilt from evidence incriminating a defendant involved in one conspiracy to other defendants involved in a different conspiracy. See United States v. Levine, 569 F.2d 1175, 1177 (1st Cir.1978). We agree wholeheartedly that spillover effects from a variance, if substantially deleterious, may demand reversal in an appropriate case. Flaherty, 668 F.2d at 582. In this case, however, the spillover caused no legally significant harm. Inasmuch as joinder of the Series J counts with the remainder of the charges was proper, see supra Part IV(A), and because the district court carefully charged the jury to treat each count separately, Nave and Sheehan are hard pressed to complain about this kind of spillover. The other defendants’ claims of prejudice rest on an even more ephemeral postulate: because the UL scheme was so repugnant and the government’s proof of it so incontrovertible, these appellants say, they were prejudiced by admission of the evidence (even though it did not refer directly to them). The argument is vapid. The UL affair stemmed from nonperformance of a security detail which, if handled through official channels, could appropriately have been commissioned. The bar protection schemes involved thinly veiled threats endangering the continuing viability of the victims’ business enterprises and livelihoods and also involved conduct impermissible under any circumstances. The latter were amply proven and seem far more reprehensible. Evidence of payroll-padding would not appear, realistically, to add much fuel to so torrid a fire. The sockdolager is that the trial court’s instructions provided ample prophylaxis. Notwithstanding the number of defendants, the evidence was presented in a well-structured, compartmentalized fashion that minimized the risk of spillover to particular defendants from evidence directed at others. At every turn, the trial judge reminded the jury to treat each defendant and each charge separately. In these ways, the chance for harm — remote and speculative to begin with — was further reduced. The court’s precautions supply considerable assurance that no unfair prejudice resulted from the variance. We see no basis for ordering a new trial. VI. CONTINUITY Appellants assign error to the trial court’s failure, during jury instructions, specifically to mention “continuity” as an element of proving racketeering activity. Alternatively, they urge that even if the court’s instructions were adequate the evidence failed to demonstrate the requisite continuity between the alleged predicate acts. A. Instructional Error: Continuity. The Criminal Rules furnish our point of embarkation: “No party may assign as error any portion of the charge or omission therefrom unless that party objects thereto ... stating distinctly the matter to which that party objects and the grounds of the objection.” Fed.R.Crim.P. 30. Parties must “clearly object,” Glenn, 828 F.2d at 862, and their objections must be phrased with sufficient particularity to alert the trial court to the grounds asserted, United States v. Kaplan, 832 F.2d 676, 682 (1st Cir.1987), cert. denied, 485 U.S. 907, 108 S.Ct. 1080, 99 L.Ed.2d 239 (1988); United States v. Harrigan, 586 F.2d 860, 864 (1st Cir.1978). Appellants say they properly preserved continuity as a ground of appeal anent the charge. The record belies the claim. In the trial court, appellants’ objections were aimed not at the requirement of continuity, but at the supposed need to prove multiple schemes as a prerequisite to mounting a RICO prosecution (an idea now thoroughly discredited). Typical is the objection lodged during the post-charge bench conference: I think that you only gave half of the pattern instruction. I think the other half is that if the racketeering acts are too closely related together, that they may be subparts of the same transaction and not separate racketeering acts. And I think the evidence has to show multiple episodes of racketeering activity and not merely repeated acts that carry out the same criminal conduct.... This objection, fairly viewed, directed the court’s attention away from, instead of toward, continuity. Litigants cannot expect a judge, particularly at the tail end of a long and complex trial, to be clairvoyant. “[Rjobes and gavels are the tools of a jurist’s trade—not tea leaves or crystal balls.” United States v. Ladd, 885 F.2d 954, 961 (1st Cir.1989). Because no defendant pointed the district court toward the issue in a manner which could reasonably be expected to have alerted the judge to the instructional error hawked on appeal, we review the charge only for “plain error.” United States v. Griffin, 818 F.2d 97, 100 (1st Cir.), cert. denied, 484 U.S. 844, 108 S.Ct. 137, 98 L.Ed.2d 94 (1987). The plain error hurdle is high. See, e.g., United States v. Hunnewell, 891 F.2d 955 at 956-57 (1st Cir.1989) (reviewing Supreme Court caselaw). The doctrine does not allow litigants to be relieved from the “ordinary backfires ... which may mar a trial record.” Griffin, 818 F.2d at 100. In applying plain error jurisprudence to the judge’s charge, “the question is not whether the trial court failed to isolate and cure a particular ailing instruction, but rather whether the ailing instruction by itself so infected the entire trial that the resulting conviction violates due process.” United States v. Thomann, 609 F.2d 560, 565 (1st Cir.1979) (quoting Cupp v. Naughten, 414 U.S. at 147, 94 S.Ct. at 400). Appellants’ claim succumbs when measured against so rigorous a standard. We explain briefly. The language of RICO itself makes explicit the requirement of “a pattern of racketeering activity.” 18 U.S.C. § 1962(c). RICO’s use of the word “pattern” is to be taken in its “ordinary meaning,” that is, the predicate acts must “fall into an[ ] arrangement or order.” H.J. Inc. v. Northwestern Bell Telephone Co., — U.S. -, 109 S.Ct. 2893, 2900, 106 L.Ed.2d 195 (1989). Such a pattern “requires at least two acts of racketeering activity.” 18 U.S.C. § 1961(5). This language means that something more than proof of two predicate acts is needed to prove that a pattern took shape. See H.J. Inc., 109 S.Ct. at 2900; Sedima, S.P.R.L. v. Imrex Co., 473 U.S. 479, 496 n. 14, 105 S.Ct. 3275, 3285 n. 14, 87 L.Ed.2d 346 (1985); Fleet Credit Corp. v. Sion, 893 F.2d 441 at 444 (1st Cir.1990); Roeder v. Alpha Indus., Inc., 814 F.2d 22, 30 (1st Cir.1987). The nature of the “more”, however, remains somewhat obscure. In the absence of any pat formula, the Court has instructed us to use a flexible approach toward the pattern requirement, “derivpng] from a common-sense, everyday understanding of RICO’s language and Congress’ gloss on it.” H.J. Inc., 109 S.Ct. at 2901. The Court itself has focused on “relatedness” and “continuity” as useful tools in proving a pattern of racketeering activity. Id. at 2900. It is, therefore, “continuity plus relationship which combines to produce a pattern.” Sedima, 473 U.S. at 496 n. 14, 105 S.Ct. at 3285 n. 14 (quoting S.Rep. No. 91-617 (1969)); see also Fleet Credit, at 444. It follows, of course, that continuity is not an element of a RICO offense, stricto senso, but it is nevertheless a necessary characteristic of the evidence used to prove the existence of a pattern. Continuity may be demonstrated “in a variety of ways.” H.J. Inc., 109 S.Ct. at 2901. In practice, proof of continuity may overlap with proof of relatedness, id. at 2900, but such an imbrication is not inevitable. Continuity—which can be defined as a showing that the racketeering predicates “amount to or pose a threat of continued criminal activity,” id.—may be established “by proving a series of related predicates extending over a substantial period of time” or by proving that “the predicates are a regular way of ... conducting or participating in an ongoing and legitimate RICO ‘enterprise,’ ” id. at 2902, or by proving that the predicates form a “closed period of repeated conduct,” id. In any event, it is by now clear that temporality lies at the core of continuity. Id.; see also Fleet Credit, at 447 (allegation of fraudulent mailings over 4-year period satisfies continuity requirement). Defendants are correct that the court below omitted the specific word “continuity” from its jury instructions. But the word itself should not be accorded talis-manic significance. Despite the expurgation, the substance of the point was covered. To cite one specific example, the court stated: [A]t least two racketeering acts are necessary ..., but proof of two separate racketeering acts does not necessarily constitute a pattern of racketeering activity. Proof of two is necessary, but that proof alone is not sufficient. Two of something does not constitute a pattern by itself. The two acts must be connected in some way. Criminal conduct forms a pattern if it embraces criminal acts that have the same or similar purposes, results, participants, victims, or methods of commission, or are otherwise interrelated by distinguishing characteristics and are not separated, isolated events.... You may find that two or more acts are part of a pattern, that even though they are different from each other, they are related to the affairs of the enterprise ... in such a way as to form a pattern of racketeering activity. Again, just finding two acts were committed is not enough. They must be in a pattern. They must form a pattern. This instruction unarguably apprised the jury of the pattern requirement. At best, then, appellants’ point reduces to a claim that the court misguggled the charge by failing satisfactorily to define this element of the offense. The claim will not wash. The charge stressed that “something more” than two acts was necessary to prove a racketeering pattern and evoked that “something more” in commonsense terms consonant with the Court’s teachings. The instruction succinctly recited types of “distinguishing characteristics” on which the jury could rely to show the requisite interrelationship. Cf. Fleet Credit, at 446. The characteristics mentioned by the lower court adequately evinced the concept that continuity requires “a series of related predicates extending over a substantial period of time,” reflective of a “regular way” of conducting the enterprise’s affairs. See H.J. Inc., 109 S.Ct. at 2902; see also Fleet Credit, at 446. Whether or not erroneous in the strictest sense, we are confident that any shortcomings in the charge did not affect defendants’ substantial rights. Other courts have held far less elaborate instructions on “pattern”—instructions which also omitted specific reference to “continuity”—are sturdy enough to withstand plain error review. See, e.g., United States v. Muskovsky, 863 F.2d 1319, 1328-29 (7th Cir.1988), cert. denied, — U.S. -, 109 S.Ct. 1345, 103 L.Ed.2d 813 (1989); United States v. Grayson, 795 F.2d 278, 288-90 (3d Cir.1986), cert. denied, 479 U.S. 1054, 107 S.Ct. 927, 93 L.Ed.2d 978 (1987). We explain infra that, in this case as in Muskovsky, there could be no plain error because “the jury’s finding of guilt on all of the predicate ... counts ... necessarily established the requisite continuity and relationship.” 863 F.2d at 1329. In this case, as in Grayson, “the evidence was such that a jury finding [defendant] guilty of a RICO violation could only have relied upon predicate acts having the necessary interrelatedness.” 795 F.2d at 290. In both Muskovsky, 863 F.2d at 1329, and Grayson, 795 F.2d at 290, as here, the lengthy time frame over which the predicate acts occurred, their common location, the similarities in the alleged conduct, the number of separate sub-schemes, the overlapping roles of the individuals involved, and their coordinated actions, combine to indicate that the required “continuity plus” was shown. See, e.g., Fleet Credit, at 445-447. There was no plain error. B. Proof of a Pattern. Appellants’ argument that the evidence was insufficient to prove a pattern of racketeering activity need not occupy us for long. As in Muskovsky and Grayson, the requisite continuity is manifest among the predicate acts on which the jury must have relied to convict under RICO. The evidence demonstrates beyond peradventure that the racketeering acts were not isolated events. The jury concluded, sup-portably, that each defendant used his official position to profit through Hobbs Act offenses. These activities continued over lengthy periods of time (no less than a year in any instance and for as long as six years in certain instances). The number of acts and the presence of numerous subschemes lend great weight in the balance. See Fleet Credit, at 446. As to relatedness, the similarities among the predicate acts were obvious and do not bear repeating. In fine, the collocation of so many common characteristics along so lengthy a temporal span belied appellants’ denials that these actions were not a regular way of conducting their BPD business. We have often acknowledged that, in a criminal trial, the factfinder “is free to choose among various reasonable constructions of the evidence.” United States v. Thornley, 707 F.2d 622, 625 (1st Cir.1983) (per curiam). The proof need not rule out reasonable alternative hypotheses of innocence so long as the record, in toto, viewed favorably to the government, substantiates a finding of guilt. See United States v. McHugh, 769 F.2d 860, 867 (1st Cir.1985). Based on the mass of assembled evidence in this case, the jury could certainly have found that defendants, as a group, participated in “a series of related predicates extending over a substantial period of time.” H.J. Inc., 109 S.Ct. at 2902, and that defendants’ serial schemes embraced “criminal acts that have the same or similar purposes, results, participants, victims, [and] methods of commission,” id. at 2901. There was enough evidence of a “pattern” to support the convictions. VII. THE HOBBS ACT Appellants fire several rounds of grapeshot at their Hobbs Act convictions. All have to do with perceived deficiencies in the lower court’s instructions. Only two salvos warrant discussion. A. Inducement. The Hobbs Act defines extortion as “the obtaining of property from another, with his consent, induced by wrongful use of actual or threatened force, violence, or fear, or under color of official right.” 18 U.S.C. § 1951(b)(2). The courts of appeals are divided on the precise interpretation of this language. Penologically, the dispute centers upon whether the Hobbs Act preserves the distinction between bribery and extortion. Linguistically, the dispute centers upon the effect of the disjunctive immediately preceding the words “under col- or of official right.” Some courts have decided that, given grammar and syntax, the “under color” phrase modifies the verb “induced,” thus requiring the prosecution to show that a defendant not only acted “under color of official right” but also that he induced payment by some form of Hobbs Act extortion. See United States v. Aguon, 851 F.2d 1158, 1162-63 (9th Cir.1988) (en banc); United States v. O’Grady, 742 F.2d 682, 694 (2d Cir.1984) (en banc). Other courts have