How a bullet fingerprint database helps solve gun crime

Описание: NIBIN is like a giant fingerprint database, but for guns, which when fired leave unique markings on each shell casing they eject. This technology is helping police departments across the country solve gun crime, but are they using it enough? Read the story: https://bayareane.ws/2vTWg9l

This video, republished by the Bay Area News Group, was reported by NBC Bay Area and The Trace, a nonprofit newsroom covering gun violence.

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