About this season
World’s Most Evil Killers delves into the gripping real-life stories of the world’s most terrifying and prolific killers. From Fred and Rose West to Ed Gein – The Clown Killer – and even to The Milwaukee Cannibal. Each episode focuses on one notorious killer and features authentic first-hand accounts of their behavior, from detectives who ran the case, journalists who reported on the stories, relatives, and at times survivors, alongside series experts who provide analysis. These criminologists, crime journalists and psychologists examine how the infamous killers made headlines both nationally and internationally and why they still continue to evoke fear and fascination in the public eye.
Episodes (10)
1. Gregory Green
Aired 25 November 2025 • 45 min
Gregory Green hid his past murder of his first wife and unborn baby, then in 2016 killed his second wife's four children, two by gas and two by gun, repeating his deadly violence.
2. Benjamin Atkins
Aired 2 December 2025 • 47 min
Benjamin killed 11 women in Detroit, Michigan, in the space of seven months, making him one of the prolific serial killers in American history.
3. Edward Wayne Edwards
Aired 9 December 2025 • 45 min
When two couples are murdered, years apart, the crimes don't look connected. Detectives link Edward and his life as a serial killer come to light.
4. Kenneth Jackson
Aired 16 December 2025 • 46 min
The murder and rape of a Vietnamese immigrant in 2007, and how 25-year-old Kenneth Jackson's loose lips led police to uncover his identity as the killer
5. Leslie Allen Williams
Aired 23 December 2025 • 45 min
In May 1992, Leslie Allen Williams was arrested for assault. Once in custody, she confessed to the murders of four teenage girls
6. Edward Covington
Aired 10 March 2026 • 46 min
On Mother's Day 2008, Edward Covington murdered his girlfriend and her two children, then mutilated the bodies before police found him.
7. James Randall
Aired 17 March 2026 • 47 min
A convicted offender linked to multiple murders is finally caught after a covert police sting uncovers damning forensic evidence.
8. Granville Ritchie
Aired 24 March 2026 • 47 min
A missing child case unravels fast when police uncover a horrific tale of abuse and murder behind a child reported as a runaway.
9. Robert Honsch
Aired 31 March 2026 • 47 min
A mother and daughter go missing, their bodies found but not identified. Years later, DNA uncovers the truth and leads police to Robert Honsch.
10. Diane & Rachel Staudte
Aired 7 April 2026 • 47 min
A mother poisons her family with antifreeze, killing her husband and son, until a tip sparks an investigation that exposes Diane Staudte's crimes.