Oxygen True Crime HD Fitness executive Nicole Pietz is married to the man of her dreams, and then she goes missing after failing to show up for dinner with her husband and friends. 2026-08-05 Debbie Kelly and Lars Ito make their marriage of opposites work; then, Debbie is shot dead in the dark of night; investigators ask whether her death is a case of mistaken identity or the bloody end to a marriage gone bad. 2026-08-05 Tara Ord is a beautiful young woman with big dreams, then she vanishes without a trace; it will take years for determined cold case detectives to uncover the long buried clue that blows this case wide open. 2026-08-05 A young man from small town Indiana heads to Japan where he falls for a beautiful woman; then, they are caught up in one of the biggest natural disasters in history. 2026-08-05 When a California father fails to return home after a quick trip to check his mail, his son calls police for help, only to find himself the focus of their investigation until a stunning revelation upends the case. 2026-08-05 Revealing interviews and exclusive details following the high-profile verdict in the Sean Diddy Combs trial; a former employee opens up about her decade working for Combs. 2026-08-06