When Marty Tankleff was convicted for murdering his parents in 1990, some people still had their doubts about his guilt, including Jay Salpeter, a retired detective turned private investigator. Jay found a new witness who claimed he was the getaway driver for two hitmen who had been hired to murder the Tankleffs. After nearly two decades behind bars, Marty finally got another shot at freedom. In this season finale, Erin Moriarty and retired 48 Hours producer Gail Zimmerman discuss the conclusion of Marty Tankleff's wrongful conviction case and why it's one of the most memorable stories they've ever reported.

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