Guns Cartridge Ejected News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Impression an the next one will leave a different impression. chris: in effect, fingerprints? >> yes. chris: head of the firearms operation and is talking about a national ballistic database that helps connect guns to crime scenes. some of the best after the shooting are the bullet cases which have been ejected from guns. police take two d and 3d images of the cartridges. at the atf nat in washington, they check the new casings against the 3 million they already have from other crime scenes. looking for matches left by the firing pin, stress marks and the guns cartridge ejected. >> what you'll...

Impression an the next one will leave a different impression. chris: in effect, fingerprints? >> yes. chris: head of the firearms operation and is talking about a national ballistic database that helps connect guns to crime scenes. some of the best after the shooting are the bullet cases which have been ejected from guns. police take two d and 3d images of the cartridges. at the atf national laboratory in washington, they check the new casings against the 3 million they already have from other crime scenes. looking for matches left by the firing pin, stress marks and the guns cartridge ejected...