What is it like to learn that your ordinary, loving father is a serial killer? In 2005, Kerri Rawson heard a knock on the door of her apartment. When she opened it, an FBI agent informed her that her father had been arrested for murdering ten people, including two children. It was then that she learned her father was the notorious serial killer known as BTK, a name he'd given himself that described the horrific way he committed his crimes: bind, torture,...

From 1974 to 1991, someone in the Midwestern city of Wichita was leaving behind slain tortured bodies and anonymously proclaiming himself to police and reporters as "BTK" for "Bind, Torture, Kill." Then, for the next 14-years, BTK was silent. But, when he began sending letters again, investigators would not miss their chance... Stunningly, police arrested Dennis Rader, the president of his church board and the father of two. As a shocked community...