Christopher C. Trumble Consultant http://firms.findlaw.com/cct/
Services include toolmark examination, case file review, trajectory analysis, distance determination, serial number restoration, weapon failure analysis, and crime scene reconstruction, training courses, workshops from Tampa, FL.
Firearms Identification and Forensic Ballistics http://www.firearmsid.com/
FirearmID.com contains information on firearms identification, including identification of bullets, cartridge cases, and other ammunition components as having been fired from a specific firearm. Also describes the responsibilities of an expert witness.