Each week, host Elizabeth Vargas asks for viewers’ help as she breaks down cases from the show’s new headquarters, consulting with a team of experts representing law enforcement units such as the FBI, U.S. Marshall’s Office, and Secret Service. At a time when social media and technology loom large in the public consciousness, the series offers a unique and urgent opportunity for viewers to be armchair detectives by helping law enforcement solve some of the toughest cases.

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