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Firearms / Toolmarks

Forensic scientists in the Firearm and Toolmark Section of the Minnesota Bureau of Criminal Apprehension Forensic Science Services primarily determine if bullets, cartridge cases, shotshells, wadding or other ammunition components were fired in a particular firearm.  In addition, their other duties include function testing of firearms, muzzle-to-target distance determinations, serial number restorations, toolmark examinations and NIBIN database inquiries.
The BCA has three firearm examiners working in the St. Paul Laboratory and one working in the Bemidji Laboratory.  The St. Paul Laboratory also has a technician dedicated to work on the NIBIN database. 
Technician Working on a Firearm
Firearms Identification