NPR News: 'Ballistic Fingerprint' Database Expands Amid Questions About Its Precision
'Ballistic Fingerprint' Database Expands Amid Questions About Its Precision
A federal database of shell casings was expanded to over 200 local law enforcement agencies this year to let police use it in investigations that match casings with guns.
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A federal database of shell casings was expanded to over 200 local law enforcement agencies this year to let police use it in investigations that match casings with guns.
Read more on NPR
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