Citations
- 405 F. Supp. 2d 104
Full opinion text
MEMORANDUM AND ORDER RE: MOTION TO EXCLUDE BALLISTICS TESTIMONY
GERTNER, District Judge.
TABLE OF CONTENTS
I. INTRODUCTION .106
TT. FACTS .109
A. Examiner Had No Certification by Professional Organization . OS C* rH
B. Premise of the Field: That the Markings on Each Firearm Are Unique . O rH rH
C.. The Examination: Sorting out Class, Subclass, Individual, and Accidental Characteristics with No National Standards. rH rH
D. The Examination: No Notes, No Drawings, No Photographs ... rH rH
E. The Examination: Observer Bias and Lack of Blind Testing .. rH rH
F. The Examiner: No Data on Error Rates. rH rH
G. Computerized Database: The IBIS System. i — I rH
H. Testimony of Defense Expert David Lamagna. rH rH
III. LEGAL FRAMEWORK.117
IV. THE CASE AT BAR. O i — I
A. Reliability and Testing. 05 r-I
B. Error Rates and Proficiency Testing . H r-H
C. Significance of Defense Expert and Availability of Cross-Examination .