Host Donnie Wahlberg chronicles the dark and twisted lives of an array of diabolical criminals, such as Charles Manson, Aileen Wuornos, John Wayne Gacy, the Rev Jim Jones, and many others.
The Trailside Killer - Part 1: The Trailside Killer is a serial killer particularly famous for stalking and murdering young women on hiking trails near San Francisco. (S5, ep 3)
The Trailside Killer - Part 2: The Trailside Killer is a serial killer particularly famous for stalking and murdering young women on hiking trails near San Francisco. (S5, ep 4)
The Slave Master - Part 1: During the 80s in Kansas City, a man being referred to as the 'The Slave Master' is connected to the disappearance of several women. (S5, ep 5)
The Slave Master - Part 2: During the 80s in Kansas City, a man being referred to as the 'The Slave Master' is connected to the disappearance of several women. (S5, ep 6)
The Twin: Larry Hall, a serial killer who murdered young women, was convicted and imprisoned while his twin, Gary Hall, was never a suspect. (S5, ep 7)
The Twin: Larry Hall, a serial killer who murdered young women, was convicted and imprisoned while his twin, Gary Hall, was never a suspect. (S5, ep 8)
The Times Square Killer: Richard Francis Cottingham, known as The Torso Killer and Times Square Killer was a serial killer and rapist that murdered at least 18 women. (S5, ep 1)
The Times Square Killer: Richard Francis Cottingham, known as The Torso Killer and Times Square Killer was a serial killer and rapist that murdered at least 18 women. (S5, ep 2)
The Black Widow: The story of the famous American serial killer who was executed for the 1971 murder of her husband. (1 of 2)
The Black Widow: The story of the famous American serial killer who was executed for the 1971 murder of her husband. (2 of 2)
The Happy Face Killer: Keith Hunter Jesperson murdered eight women in the 90s, he was known as the Happy Face Killer because he drew smiley faces on his letters to the media. (1 of 2)
The Happy Face Killer: Keith Hunter Jesperson murdered eight women in the 90s, he was known as the Happy Face Killer because he drew smiley faces on his letters to the media. (1 of 2)