Bullet Fingerprinting Info

: The National Integrated Ballistic Information Network is a federal database used to share digital images of ballistic evidence.

: 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

Unlike human fingerprints, a gun's "fingerprint" changes over time. Every shot fired slightly alters the microscopic striations in the barrel. Experts may only fire a limited number of test rounds because the fifth shot might already look different from the first. 2. Success Rates and "Expensive Failures" : The National Integrated Ballistic Information Network is