Why the BTK Killer Thinks He Developed a Dark Side
Dr. Oz reveals what the BTK killer wrote to him from prison, and what BTK attributes his dark mind to. Dr. Katherine Ramsland explains what allows BTK to flip between his various roles. Find out why he wanted to converse with Dr. Oz.
Guests: Kerri Rawson , Dr. Katherine Ramsland , Melissa Moore , Dr. Clay Watson , Anna-Sigga Nicolazzi