Flawed Forensics
Wisconsin, U.S. used flawed hair evidence to convict innocent people
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FBI admits errors in 90 percent of hair and fiber cases, including 13 in Wisconsin. Such errors are now a factor in one-fifth of all DNA exonerations.
Flawed Forensics
Hair analysis: Here’s how the FBI got it wrong
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The FBI, the New York-based Innocence Project and the National Association of Criminal Defense Lawyers are examining nearly 3,000 cases nationwide in which the FBI may have misused microscopic hair comparison.