NACDL News: Flawed Microscopic Hair Comparison Analysis Testimony Leads to New Trial for George Perr

On Jan. 26, 2016, George D. Perrot was granted a new trial in Massachusetts based on newly discovered evidence that the FBI’s microscopic hair comparison testimony contained scientifically invalid statements. The court found that the hair examiner’s testimony was “enormously influential” and material to the convictions. This decision follows a trend in recognizing that evolving science constitutes newly discovered evidence.