A vacation that morphed into a mystery, Robyn Gardner went missing and many presume she's dead. Josh Mankiewicz and "Dateline's" Unsolved Case Squad goes to Aruba and does its own investigation, tracing Gardner's steps. Mankiewicz also interviews Jose Baez, a member of the suspect's legal team; the report also features interviews with Gardner's boyfriend, Richard Forester and her best friend and roommate Christina Jones.

Dateline NBC's Josh Mankiewicz reports Missing in Paradise on Friday, December 2nd, at 10pm/9c.

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