An American Murder Mystery: The Staircase

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.