
This episode covers the Hillside Stranglers, Angelo Buono and Kenneth Bianchi, who murdered ten young women in Los Angeles between October and December 1977. Key discussions include their backgrounds, the methods they used to lure victims, and the impact of their crimes on the community.
The episode describes how Buono and Bianchi posed as police officers to abduct their victims, starting with 19-year-old Yolanda Washington. They escalated their violence, leading to the abduction of schoolgirls Dolores Cepeda and Sonja Johnson, who were held captive for five days before being murdered.
Experts like Dr. Yardley and Geoffrey discuss the psychological profiles of the killers, detailing their abusive backgrounds and the depravity of their actions. The episode highlights the fear that gripped Los Angeles as the killers continued their spree, leading to increased gun sales and self-defense classes among women.
As the police struggled to catch the killers, the episode recounts the eventual downfall of Buono and Bianchi, with Bianchi's arrest in Washington State leading to his testimony against Buono. The trial of Buono is noted as one of the longest in U.S. history.
The episode concludes with the lasting impact of their crimes, emphasizing the horror of their actions and the devastation left behind for the victims' families.
The episode details the horrific crimes of the Hillside Stranglers, Angelo Buono and Kenneth Bianchi, who murdered ten women in 1977 Los Angeles.

This episode stands out for the following:
It is beyond depraved.World's Most Evil Killers - Season 4, Episode 9 - The Hillside Stranglers - Full Episode
What they must have subjected them to is literally horrifying.World's Most Evil Killers - Season 4, Episode 9 - The Hillside Stranglers - Full Episode
Depravity is too good a word for it.World's Most Evil Killers - Season 4, Episode 9 - The Hillside Stranglers - Full Episode
It's inhuman.World's Most Evil Killers - Season 4, Episode 9 - The Hillside Stranglers - Full Episode
They enjoyed the feelings of power and control that killing gave them.World's Most Evil Killers - Season 4, Episode 9 - The Hillside Stranglers - Full Episode
This is tragedy.World's Most Evil Killers - Season 4, Episode 9 - The Hillside Stranglers - Full Episode