Extraction Marks News Today

From a crime scene. >> this gun was recovered in the past couple of days during a crime. im going to have you step around to the side of me right here. the reason why i do that is if this is, somethings wrong with this weapon and the slide happens to go, its not going to hit us. >> once the weapon is fired, the shell casing is recovered for analysis to see if its linked to other shootings. >> this will take high resolution images. >> the mark it leaves on the cartridge is a vital piece of eviden...