Sex, lies and murder – what happened to Travis Alexander? This three-part special examines the most salacious murder case in American history. We explore the investigation and trial that captivated the nation with interviews from central figures.

Each episode of this true-crime series begins with the grisly discovery of a body and the onset of an intense investigation. When police think they've solved the case, shocking twists sends each investigation into the depths of evil.

Celebrities reveal their terrifying true tales of encounters with the supernatural and unexplained.