Dennis Lynn Rader, also known as BTK (Bind, Torture, Kill), is a serial killer who terrorised Wichita, Kansas, between 1974 and 1991. He claimed responsibility for ten murders, targeting both men and women, and enjoyed taunting the police and the media with letters and other communications detailing his crimes.
Unraveling the Secrets of a Monster: The Chilling Quiz on Robert Berdella's Dark Legacy