Notorious serial killer Dennis Rader, known as the “BTK Killer,” revealed what drove him to kill 10 people in a documentary which aired on the Oxygen network on September 2. Rader, 73, talked about his upbringing in “Snapped: Notorious BTK Serial Killer,” a two-hour documentary which explored how—and why—a seemingly normal family man carried out … Continue reading BTK Killer Dennis Rader says ‘demons’ caused him to slaughter 10 people in never-before-seen interview