World's Most Evil KillersSeason 62021 · 10 episodesAn in-depth look at the lives and crimes of some of the World's most evil killers.MoreEpisodes1John Allen & Lee MalvoJohn 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 10.2Robert PicktonThe story of one of the most prolific serial killers in Canadian history, dubbed `The Pig Farmer Killer' by the media.3Sean Vincent GillisThe 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.4Don MillerThe story of a terrifying killer who snatched away the lives of four victims before being caught while trying to claim his fifth.5Judy BuenoanoThe 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.6Gary Ray BowlesSerial 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.7Derrick Todd LeeA 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.8Velma BarfieldThe story of Velma Barfield, the first woman to be executed by lethal injection after taking six lives.9Chester TurnerThe story of the cold-blooded serial killer who took the lives of at least fifteen people during a terrifying decade-long murder campaign.10Genene JonesThe 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.Season 1Season 2Season 3Season 4Season 5Season 7Season 8Season 9Season 10
