When Tina Sandoval disappears, her parents and loved ones spend years searching for any signs of her. Law enforcement is convinced she is the victim of foul play, but the prosecution has a problem. How can they convince a jury that she was murdered if there is no body, no crime scene and no physical evidence? Meanwhile, Tina was keeping a dark secret, one that might lead to clues about what happened to her. Dennis Murphy reports. Originally aired on NBC on December 13, 2019.

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