Very Scary People - S1 E1

2. John Wayne Gacy: Evil Secret, Part 2

In Chicago, community leader and part-time clown John Wayne Gacy leads a double life, transforming into a monster who preys on male teenagers and becomes the most prolific serial killer of his day.

3. Charles Manson: The Devil's Work, Part 1

Charles Manson is a violent predator who has powers of persuasion that make it possible for him to convince his hippie followers to brutally murder innocent strangers

4. Charles Manson: The Devil's Work, Part 2

Charles Manson is a violent predator who has powers of persuasion that make it possible for him to convince his hippie followers to brutally murder innocent strangers

5. NorCal Rapist: Phantom Predator, Part 1

In Northern California, a masked predator meticulously plans his sexual assaults by studying the habits and routines of his female prey; after 27 years on the loose, police close in on the man they believe to be the NorCal Rapist.

6. NorCal Rapist: Phantom Predator, Part 2

In Northern California, a masked predator meticulously plans his sexual assaults by studying the habits and routines of his female prey; after 27 years on the loose, police close in on the man they believe to be the NorCal Rapist.

7. Aileen Wuornos: Monster Made, Part 1

A look at the deal makers and hangers-on who attached themselves to Aileen Wuornos, who is known as America's first female serial killer.

8. Aileen Wuornos: Monster Made, Part 2

A look at the deal makers and hangers-on who attached themselves to Aileen Wuornos, who is known as America's first female serial killer.

9. Zodiac Killer: I Am the Zodiac, Part 1

The Zodiac Killer terrorizes Northern California in the late 1960s; he taunts the public with cryptic clues, threats of violence and ciphers that are supposed to lead to his identity, but mostly go nowhere.

10. Zodiac Killer: I Am the Zodiac, Part 2

The Zodiac Killer terrorizes Northern California in the late 1960s; he taunts the public with cryptic clues, threats of violence and ciphers that are supposed to lead to his identity, but mostly go nowhere.

11. Jim Jones: Unholy Massacre, Part 1

More than 900 Americans died in an isolated jungle in northern Guyana in November 1978; Jim Jones has gone down in history as a madman who drove his followers to suicide, but the truth is more complicated and tragic than that.

12. Jim Jones: Unholy Massacre, Part 2

More than 900 Americans died in an isolated jungle in northern Guyana in November 1978; Jim Jones has gone down in history as a madman who drove his followers to suicide, but the truth is more complicated and tragic than that.