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In Washington DC from 2009-2012, three men were exonerated in cases where three different FBI agents provided erroneous testimony regarding the hair comparison evidence that served as the primary physical evidence in those cases. Subsequently, the FBI and DOJ agreed to conduct a review of testimony in microscopic hair comparison analysis in collaboration with NACDL and the Innocence Project.
A recorded training video that provide analysis of the scientific limits of the discipline of microscopic hair comparison analysis including discussion of the scientific standards applied in the FBI's Microscopic Hair Comparison Analysis Review and application of those standards to identify cases with invalid scientific evidence.
