In 1987, librarian Margaret Chen was convicted of murdering her colleague based on a single bloody fingerprint. Thirty-one years later, a graduate student digitizing old case files discovered something that would shatter everything the jury thought they knew about fingerprint evidence—and expose a forensic scandal that had sent dozens of innocent people to prison. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com

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