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NIJ Training Course for Firearm Examiners: Using a Comparison Microscope to Examine Cartridge Cases from Recovered Firearms Without Related Evidence

An interactive tool used to supplement the NIJ online training course entitled 'Firearm Examiner Training', as outlined in the eleventh learning module, 'Bullet Comparison and Identification'. This brief demonstrates the use of a comparison microscope to determine the presence and quality of microscopic marks on test cartridge cases from recovered firearms without related evidence.

Date Published: June 23, 2020