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Evidence

Scientific evidence

Journal Articles

2015

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Ultracrepidarianism In Forensic Science: The Hair Evidence Debacle, David H. Kaye Jan 2015

Ultracrepidarianism In Forensic Science: The Hair Evidence Debacle, David H. Kaye

Journal Articles

For over 130 years, scientific sleuths have been inspecting hairs under microscopes. Late in 2012, the FBI, the Innocence Project, and the National Association of Criminal Defense Lawyers joined forces to review thousands of microscopic hair comparisons performed by FBI examiners over several of those decades. The results have been astounding. Based on the first few hundred cases in which hairs were said to match, it appears that examiners “exceeded the limits of science” in over 90% of their reports or testimony. The disclosure of this statistic has led to charges that the FBI “faked an entire field of forensic ...