World's Most Evil Killers Season 6 Episode release dates & where to watch

1. John Allen & Lee Malvo

John Allen and Lee Malvo: The story of the Beltway sniper attacks. John Allen and his teenage accomplice carried out the brutal series of shootings that killed 10.

2. Robert Pickton

The story of one of the most prolific serial killers in Canadian history, dubbed `The Pig Farmer Killer' by the media.

3. Sean Vincent Gillis

The story of the serial killer Sean Vincent Gillis, who brutally snatched away the lives of eight innocent women during a decade-long killing spree in Louisiana.

4. Don Miller

The story of a terrifying killer who snatched away the lives of four victims before being caught while trying to claim his fifth.

5. Judy Buenoano

The story of Judy Buenoano, the first woman in Florida to die in the electric chair. She was a killer so evil that her own son became one of her victims.

6. Gary Ray Bowles

Serial killer Gary Ray Bowles, who took the lives of six men in 1994, and became known as the I-95 Killer, as most of his victims lived close to the Interstate 95 highway.

7. Derrick Todd Lee

A profile of Derrick Todd Lee, who murdered seven women in the Baton Rouge area of Louisiana, and was sentenced to death for his chilling crimes.

8. Velma Barfield

The story of Velma Barfield, the first woman to be executed by lethal injection after taking six lives.

9. Chester Turner

The story of the cold-blooded serial killer who took the lives of at least fifteen people during a terrifying decade-long murder campaign.

10. Genene Jones Finale

The chilling story of the serial killer who worked as a nurse in Texas, where she killed many children and infants by injecting them with drugs.