Profile of serial killer Dennis Rader, who preyed on families in Kansas for 30 years, and called himself BTK to draw attention to his preferred murder method - bind, torture and kill. Rader's narcissistic nature proved to be his downfall when, after years of mocking the police officers attempting to find him, a careless mistake exposed his identity
click here to see where to watch or .
Ready to Watch Crimes That Shook The World, Season 1, Episode 2?