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Probability, Individualization, And Uniqueness In Forensic Science Evidence: Listening To The Academies, David H. Kaye
Probability, Individualization, And Uniqueness In Forensic Science Evidence: Listening To The Academies, David H. Kaye
David Kaye
Day in and day out, criminalists testify to positive, uniquely specific identifications of fingerprints, bullets, handwriting, and other trace evidence. A committee of the National Academy of Sciences, building on the writing of academic commentators, has called for sweeping changes in the presentation and production of evidence of identification. These include some form of circumscribed and standardized testimony. But the Academy report is short on the specifics of the testimony that would be legally and professionally allowable. This essay outlines possible types of testimony that might harmonize the testimony of criminalists with the actual state of forensic science. It does …
Ultracrepidarianism In Forensic Science: The Hair Evidence Debacle, David H. Kaye
Ultracrepidarianism In Forensic Science: The Hair Evidence Debacle, David H. Kaye
David Kaye
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 …