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ProPublica – Federal Judge Unseals NY Crime Lab’s Software for Analyzing DNA Evidence

ProPublica – We asked the judge to make the source code public after scientists and defense attorneys raised concerns that flaws in its design may have resulted in innocent people going to prison.

“A federal judge [the week of October 20, 2017] unsealed the source code for a software program developed by New York City’s crime lab, exposing to public scrutiny a disputed technique for analyzing complex DNA evidence. Judge Valerie Caproni of the Southern District of New York lifted a protective order in response to a motion by ProPublica, which argued that there was a public interest in disclosing the code. ProPublica has obtained the source code, known as the Forensic Statistical Tool, or FST, and published it on GitHub; two newly unredacted defense expert affidavits are also available…Caproni’s ruling comes amid increased complaints by scientists and lawyers that flaws in the now-discontinued software program may have sent innocent people to prison. Similar legal fights for access to proprietary DNA analysis software are ongoing elsewhere in the U.S. At the same time, New York City policymakers are pushing for transparency for all of the city’s decision-making algorithms, from pre-trial risk assessments, to predictive policing systems, to methods of assigning students to high schools…”

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