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JonBenét Ramsey: Race Against Time, Who Is 'Unknown Male 1'? -- A New Diane Sawyer Investigation
Who is "Unknown Male 1"? Diane Sawyer and Aaron Katersky's new investigation into the long-unsolved murder of 6-year-old JonBenet.
TV-PG | 11.07.26 | 01:22:12

20/20 Full Episodes

20/20 Full Episodes

  • JonBenét Ramsey: Race Against Time, Who Is 'Unknown Male 1'? -- A New Diane Sawyer Investigation
    Now Playing
    01:22:12
    S49 E7 - JonBenét Ramsey: Race Against Time, Who Is 'Unknown Male 1'? -- A New Diane Sawyer InvestigationWho is "Unknown Male 1"? Diane Sawyer and Aaron Katersky's new investigation into the long-unsolved murder of 6-year-old JonBenet.TV-PG | 11.07.2026
  • Justice for Faith
    01:24:34
    S49 E6 - Justice for FaithA college student is murdered in her off-campus apartment. Thousands of potential suspects, hundreds of DNA samples and painstaking work over a decade finally lead to a verdict.TV-PG | 10.31.2026
  • Help Find Dale Dee
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    S49 E5 - Help Find Dale DeeWhen a beloved mother and businesswoman vanishes, her family begins their own investigation and public campaign against the man they suspect is responsible.TV-PG | 10.24.2026
  • The Suitcase Murders
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    S49 E4 - The Suitcase MurdersHuman remains are found abandoned in two suitcases, leaving a community shocked and searching for answers. A dating profile on a BDSM site and DNA evidence help police solve the gruesome murders.TV-PG | 10.17.2026
  • Born to Kill
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    S49 E3 - Born to KillWhen a young woman is found dead in an abandoned house, the prime suspect goes on the run, leading authorities on a cross-country chase.TV-PG | 10.10.2026
  • Home Alone
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    S49 E2 - Home AloneA young woman is murdered in her own home, leaving only one mysterious clue to help catch a killer. John Quiñones investigates this heart pounding, incredible story.TV-PG | 10.03.2026
  • The Salem Strangler
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    S49 E1 - The Salem StranglerA young college student is found strangled on the side of the road. The case goes cold until an eerily similar attack breathes new life into the investigation and helps law enforcement catch a killer.TV-PG | 09.26.2026
  • Mr. and Mrs. Murder
    01:21:48
    S48 E33 - Mr. and Mrs. MurderThe seemingly perfect lives of two close-knit Florida couples unravel after one vanishes on a hunting trip. One brave woman goes undercover to unravel the shocking truth.TV-PG | 09.19.2026
  • The Trial of Lindsay Clancy -- Special Edition of 20/20
    41:07
    S48 E32 - The Trial of Lindsay Clancy -- Special Edition of 20/20The latest details and analysis in the case of the Massachusetts mom and the killing of her three young children.TV-PG | 09.05.2026
  • Where Are You Jacob?
    01:22:54
    S48 E31 - Where Are You Jacob?An 11-year-old is kidnapped while biking home, leaving his parents searching for answers. Now, another previously-abducted victim speaks out after helping solve the mysterious case.TV-PG | 07.18.2026
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  2. 20/20 Full Episodes
  3. JonBenét Ramsey: Race Against Time, Who Is 'Unknown Male 1'? -- A New Diane Sawyer Investigation
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