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Season 1 – An American Murder Mystery: The Staircase

Play trailer Poster for Season 1 – An American Murder Mystery: The Staircase Apr 2018 Crime Play Trailer Watchlist
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Investigation Discovery's "American Murder Mystery" franchise presents the confounding case of Kathleen Peterson, who in 2001 was found dead at the bottom of a staircase in her North Carolina home. Investigators homed in on her husband, novelist Michael Peterson, who claimed it was an accident. This three-part special comprehensively delves into Kathleen's death and Michael's trial for murder. It explores shocking theories -- including one involving an owl -- and surprising secrets and includes interviews with the case's key players, as well as legal experts, jurors and reporters who covered it.
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An American Murder Mystery: The Staircase — Season 1

An American Murder Mystery: The Staircase — Season 1

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Cast & Crew

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Diane Dimond

Guest

Jeff Klinger

Narrator

Diane Fanning

Guest

Tom Gasparoli

Guest

Jim Hardin

Guest

Beth Karas

Guest

Episodes

Episode 1 Aired Apr 8, 2018 I Whispered Her Name Investigators discover novelist Michael Peterson clutching his dead wife, Kathleen, at the bottom of their back staircase; Peterson insists her death is the result of a tragic fall, but investigators believe otherwise. Details Episode 1 Aired Jun 8, 2025 Michael Peterson is accused of murdering his wife, Kathleen, whom he finds dead at the bottom of a staircase at their home. Details Episode 2 Aired Apr 9, 2018 Lightning Strikes Twice Stunned investigators discover that Michael Peterson's friend, Liz Ratliff, was found dead at the bottom of a staircase 16 years ago; the trial begins with experts battling over the interpretation of blood spatter. Details Episode 2 Aired Jun 8, 2025 Michael Peterson is accused of murdering his wife, Kathleen, whom he finds dead at the bottom of a staircase at their home. Details Episode 3 Aired Apr 10, 2018 Reversal of Fortune Michael Peterson's defense unveils a long sought-after piece of evidence, catching the prosecution off guard; bombshell revelations about an expert witness threaten to unravel the entire case and give Peterson a shot at freedom. Details Episode 3 Aired Jun 8, 2025 Michael Peterson is accused of murdering his wife, Kathleen, whom he finds dead at the bottom of a staircase at their home. Details
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An American Murder Mystery: The Staircase — Season 1

An American Murder Mystery: The Staircase An American Murder Mystery: The Staircase View more photos

Season Info

Director
Bryan Gildner
Executive Producer
Dylan Howard, Stephen Land, Timothy McConville, Patrick Reardon, Matt Sprouse
Network
ID
Rating
TV-14
Genre
Crime
Original Language
English
Release Date
Apr 8, 2018