Very Scary People

How did a popular Chicago businessman and part-time clown become the most prolific serial killer in the 1970s?

Discover how a popular Chicago businessman and part-time clown became the most prolific serial killer in the 1970s.

A teenage thief turned violent predator, Manson had the ability to charm and persuade. He amassed a group of followers and convinced some to commit murder.

Charles Manson had the ability to charm and persuade, and he quickly amassed a group of loyal followers who he was able to convince to commit murder.

A serial rapist, who meticulously planned his assaults on women, terrorized Northern California for 27 years before police closed in on a potential suspect.

Terrorizing Northern California for 27 years, a serial rapist meticulously planned assaults on women before police were able to narrow down a potential suspect.

In 1990, Florida police were on the hunt to stop a woman serial killer after the bodies of seven men were found scattered along state highways.

After the bodies of seven men were found scattered along state highways in 1990, Florida police were on the hunt for a woman serial killer.

A killer terrorized Northern California in the late 1960s and taunted the public with cryptic clues. Can new DNA techniques finally unmask this murderer?

Discover if new DNA techniques can finally unmask a murderer who terrorized Northern California in the late 1960s, taunting the public with cryptic clues.

Jim Jones, a charismatic minister turned madman, ultimately led more than 900 followers to their deaths by mass murder-suicide in a South American jungle.

A charismatic minister turned madman, Jim Jones ultimately led more than 900 followers to their deaths by mass murder-suicide in a South American jungle.

Host Donnie Wahlberg looks at some of the most frightening killers in history, retracing their backgrounds, psychology, motives and how they were eventually caught.