‘The Sing Sing Files’ chronicles a journalist’s work to free the wrongfully convicted

For decades, producer Dan Slepian has spearheaded documentaries, podcasts and investigative reports for Dateline NBC. In 2002, a chance conversation propelled him to start probing wrongful convictions, work that led to a Pulitzer Prize-winning podcast 20 years later. Slepian joined Amna Nawaz to discuss his new book, "The Sing Sing Files," and why the issue continues to fuel his work.

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