48 Hours

Prime Suspect: Marty Tankleff Revisited (18x21)

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Will new witnesses convince a judge to grant a new trial to Marty Tankleff, who was convicted of murdering his parents in 1988? Now 33, Tankleff was 17 when he was accused of killing Seymour and Arlene Tankleff in their Belle Terre, Long Island home. Tankleff's relatives, who have always believed in his innocence, hope that this hearing will finally set him free. Correspondent Erin Moriarty speaks to several key witnesses and reports.