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COMMENTS: Forty Years On
CBS had Bob Orr follow up on the investigation by its own 60 Minutes with the Washington Post into Discarded Bullet Lead Analysis. That is the metallurgic technique developed by FBI forensics laboratories to match bullet fragments found at crime scenes with unused ammunition. The analysis was used by prosecutors for 40 years before it was discredited as "not scientifically sound" two years ago. "Defense attorneys are looking through 2,500 files to determine how many cases should be reviewed."
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