Bullet Fingerprinting -

: The Integrated Ballistic Identification System (IBIS) is the hardware and software used to capture these high-resolution 3D images.

: These systems can often provide investigative leads within 24 to 48 hours by flagging potential matches across different crime scenes. Limitations and Controversies bullet fingerprinting

The shell casing is also marked by various parts of the firearm's internal mechanism: : The Integrated Ballistic Identification System (IBIS) is