WASHINGTON -- A used bullet tells many tales. The grooves and striations it picks up as it blasts down a gun barrel can link weapons to crimes and help prosecutors put criminals behind bars. But ...

When comparing bullets or cartridge cases, a forensic firearms examiner can offer an expert opinion as to whether or not ... Those ridges dig into the soft metal of the bullet, leaving striations.

One bullet was recovered from the victim's body and the other was test-fired from a suspect's gun. If the striations on the bullets line up—cue the sound of a cell door slamming shut—the bad ...

Forensic ballistics is an important part of the criminal investigation process that could be applied in Nigeria, because many times, bullets are recovered from crime scenes and suspects are often ...

Matching a bullet to the gun from which it was fired is often the key component in solving crimes. But new technology aims to improve future forensic examinations of crimes involving guns.

The forensic science postulates that machines used to make guns leave microscopic imperfections on their components, which, in turn, impart unique marks on the bullets — composed of softer metal ...

This technology, which is not a new concept, has been established in Lee County and is empowering authorities to accurately trace bullet casings to the specific firearms they were discharged from.

Law enforcement didn't find the Taurus G2C 9mm gun used in the murder, so the bullets couldn't be matched to it. Sarah Machalla, a forensic scientist at the State Police Lab who specializes in ...