Dateline: Secrets Uncovered (2017)

S17E9 The Ruse

A California father steps outside to grab his mail and never comes back. His son, worried sick, calls the police for help. But instead of launching a search, the authorities turn their suspicion on the son himself—questioning his story and digging into his past. Just when the case seems locked in a grim direction, a shocking twist shatters everything they thought they knew.