An American Murder Mystery: The Staircase is the unabridged story of the suspicious death of Kathleen Peterson and the trial of her husband, Michael, for her murder. The three-night event features all-new and exclusive interviews with key players in the case, most notably Candace Zamperini, Kathleen's sister and Brent Wolgamott, a male escort whom Michael was emailing with at the time of the crime, as well as legal experts, jurors and reporters who covered the case from the very beginning.