This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
forensics csi handgun firearm weapon macro shell comparison canonxti canonmmmacro cartridge toolmarks ballistics forensic photography forensicphotography forensic science forensicscience disk circle round indoor Comparison of breech block markings on two shell casings. Recovered from Glock . caliber handgun. This photo was featured