Episode 1 | The Trailside Killer: Part 1

The Trailside Killer, also known as David Carpenter, is a serial killer particularly famous for stalking and murdering young women on hiking trails near San Francisco.

Episode 2 | The Trailside Killer: Part 2

The Trailside Killer, also known as David Carpenter, is a serial killer particularly famous for stalking and murdering young women on hiking trails near San Francisco.

Episode 3 | The Slave Master: Part 1

Mid-1980s Kansas City: women vanish, connected to a man calling himself "The Slave Master". Police use cunning to stop this serial killer.

Episode 4 | The Slave Master: Part 2

During the 1980s in Kansas City, a man being referred to as "The Slave Master" is connected to the disappearance of several women.

Episode 5 | The Twin: Part 1

This installment details the 1990s serial killer Larry Hall, who murdered young women. His identical twin brother, Gary Hall, has never been a suspect in the murders of Larry Hall, who was eventually convicted and sentenced to pri...

Episode 6 | The Twin: Part 2

This installment details the 1990s serial killer Larry Hall, who murdered young women. His identical twin brother, Gary Hall, has never been a suspect in the murders of Larry Hall, who was eventually convicted and sentenced to pri...

Episode 7 | The Times Square Killer: Part 1

Richard Francis Cottingham, known as The Torso Killer and Times Square Killer, was a serial killer and rapist that murdered at least 18 women.

Episode 8 | The Times Square Killer: Part 2

Known as the 'Times Square Killer', the 'Torso Killer', or the 'New York Ripper', Richard Cottingham stalked New York and New Jersey for victims between 1967 and 1980.

Episode 9 | The Black Widow: Part 1

Judias V. Buenoano, convicted of murders spanning 1971-1983, killing husband, son, attempting boyfriend's murder. Linked to partner deaths 1974-1980. Florida's first woman executed since 1848 for multiple murders.

Episode 10 | The Black Widow: Part 2

The story of the infamous American serial killer Judy Buenoano, who was executed for the 1971 murder of her husband.

Episode 11 | The Happy Face Killer: Part 1

Serial killer Keith Jesperson murdered at least 8 women in the early 1990s, often strangling sex workers and transients. Known for leaving smiley faces in letters, he was arrested, convicted and sentenced to life in prison without...

Episode 12 | The Happy Face Killer: Part 2

Keith Hunter Jesperson murdered eight women in the 1990s. He was known as the "Happy Face Killer" because he drew smiley faces on his letters to the media.