World's Most Evil Killers
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World's Most Evil Killers
"Pee Wee" Gaskins escalated from a petty criminal to a murderer after a teen went missing.
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World's Most Evil Killers
Deadly consequences come from a friendship between two murderers who met in prison.
World's Most Evil Killers
A fugitive from the United States tackles the British police and goes on the run.
World's Most Evil Killers
Colin Pitchfork is the first person to be convicted of murder based on DNA fingerprinting evidence.
World's Most Evil Killers
Stuart Campbell is convicted for the murder of his 15-year-old niece in 2002, even though her body has never been found.
World's Most Evil Killers
Nurse Charles Cullen secretly killed patients for years while avoiding scrutiny.
World's Most Evil Killers
The American serial killer Cesar Barone took the life of four women in and around Hillsboro, Oregon in the 1990s.
World's Most Evil Killers
A killer who goaded police and media during his spree, Heriberto Seda claimed to kill based on his victims' star signs.
World's Most Evil Killers
A jailing for the shocking murder of author Helen Bailey leads to a second conviction of another.
World's Most Evil Killers
Stuart Campbell was convicted of the murder of his 15-year-old niece in 2002.
World's Most Evil Killers
Deadly consequences come from a friendship between two murderers who met in prison.
World's Most Evil Killers
Claire Inglis became trapped with violent offender Christopher McGowan, leading to tragedy.
World's Most Evil Killers
Criminologists, forensic pathologists, federal agents, and other experts delve into the lives of the most terrifying and notorious killers in history.
World's Most Evil Killers
Gloria Marmolejo's attempt to stop her son's illicit relationship ended in her murder by him.
World's Most Evil Killers
Wayne Adam Ford is an American serial killer who strangled and dismembered three of his victims.
World's Most Evil Killers
Geoffrey Evans and his accomplice John Shaw hit headlines in 1976 after the murders of two women in Ireland.
World's Most Evil Killers
A master manipulator accused of his wife's murder is eventually caught by a polygraph test.
World's Most Evil Killers
Robert Howard manipulated and preyed on vulnerable women across countries.
World's Most Evil Killers
Westley Allan Dodd's escalating predation ended after he murdered three young boys.
World's Most Evil Killers
Criminologists, forensic pathologists, federal agents, and other experts delve into the lives of the most terrifying and notorious killers in history.
World's Most Evil Killers
The story of the killer who took four lives during a killing spree after being inspired by horror films.
World's Most Evil Killers
Colin Pitchfork is the first person to be convicted of murder based on DNA fingerprinting evidence.
World's Most Evil Killers
Over a 25-year career of murder, Richard Biegenwald kills at least six people.
World's Most Evil Killers
After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences.
World's Most Evil Killers
The story of Mark Martin, who murdered three women in his quest to become Nottingham's first serial killer.
World's Most Evil Killers
Mary McLaughlin's unsolved murder was finally cracked after 36 years, exposing killer Graham McGill.
World's Most Evil Killers
In January 1973, 20-year-old mother of one Dawn Magyar vanishes while on a shopping trip in Owosso, Michigan.
World's Most Evil Killers
Carla Walker's 1970s murder devastated her community until the killer was finally caught.
World's Most Evil Killers
A fugitive from the United States tackles the British police and goes on the run.
World's Most Evil Killers
A 23-year-old killer murders 17-year-old former head girl Georgia Williams in 2013.
World's Most Evil Killers
Geoffrey Evans and his accomplice John Shaw hit headlines in 1976 after the murders of two women in Ireland.
World's Most Evil Killers
Criminologists, forensic pathologists, federal agents, and other experts delve into the lives of the most terrifying and notorious killers in history.
World's Most Evil Killers
Catherine Nevin reports a break-in and violent attack at her pub, which leaves her husband dead.
World's Most Evil Killers
The story of the killer who attacked his ex-girlfriend in a jealous frenzy and committed a brutal murder.
World's Most Evil Killers
A young criminal plots the deaths of his two elderly landlords in a bid to inherit from their estates.
World's Most Evil Killers
Stuart Campbell was convicted of the murder of his 15-year-old niece in 2002.
World's Most Evil Killers
Gardener William Howell used his van as a "murder mobile," killing women and dumping bodies.
World's Most Evil Killers
Lee Ford kills his wife and four stepchildren in a cold-blooded murder spree over 24 hours in September 2000.
World's Most Evil Killers
A look at the man convicted of sexually assaulting and murdering two nine-year-old girls in 1986.
World's Most Evil Killers
Westley Allan Dodd's escalating predation ended after he murdered three young boys.
World's Most Evil Killers
Robert Howard manipulated and preyed on vulnerable women across countries.
World's Most Evil Killers
When Mary Gough is found dead in her family home, her husband Colin Whelan appears shocked.
World's Most Evil Killers
Steven Dean Gordon and Frank Cano murder at least four sex workers in California between 2012 and 2013.
World's Most Evil Killers
Jailed for the dreadful murder of a children's author, Ian Stewart receives a second conviction for the death of his wife, six years earlier.
World's Most Evil Prisoners
James Robertson is considered one of the most volatile, dangerous men in the U.S. prison system.
World's Most Evil Prisoners
At 18, Christa Pike commits a brutal murder and becomes one of the youngest ever women sent to death row.
World's Most Evil Prisoners
Miti Maugaotega Jr. receives one of the longest prison sentences in Hawaiʻi history.
World's Most Evil Prisoners
Feared L.A. crime boss Ezequiel Romo ruthlessly runs the streets of L.A., even from behind bars.
World's Most Evil Prisoners
Whilst being transported on a bus, Ricky Dubose killed two correctional officers before going on the run.
World's Most Evil Killers
A young criminal plots the deaths of his two elderly landlords in a bid to inherit from their estates.
World's Most Evil Killers
Maria Pearson's violent jealousy erupted after her bigamy was exposed and Malcolm found new love.
World's Most Evil Killers
A double murderer is found guilty of the brutal assassination of an elderly couple.
World's Most Evil Killers
Richard Kuklinski claims to have murdered over 100 people for New York and New Jersey's crime families.
World's Most Evil Killers
Criminologists, forensic pathologists, federal agents, and other experts delve into the lives of the most terrifying and notorious killers in history.
World's Most Evil Killers
In 2007, single mother of three Paige Birgfeld goes missing.
World's Most Evil Killers
A master manipulator accused of his wife's murder is eventually caught by a polygraph test.
World's Most Evil Killers
A fugitive from the United States murders one British police officer and tries to kill two more, sparking a nationwide search.
World's Most Evil Killers
The story of the killer who attacked his ex-girlfriend in a jealous frenzy and committed a brutal murder.
World's Most Evil Killers
On the surface, Zahid Zaman portrayed himself as a pillar of the community, but the true story of this cult killer was deeply sinister.
World's Most Evil Killers
Police in Aurora, Colorado find the body of a young man in his own home with a bullet wound to the head.
World's Most Evil Killers
Two missing mothers were linked when evidence tied Derek Brown to both their violent deaths.
World's Most Evil Killers
A killer attacks his ex-girlfriend in a jealous frenzy and commits a brutal murder after a campaign of harassment.
World's Most Evil Killers
Steven Dean Gordon and Frank Cano murder at least four sex workers in California between 2012 and 2013.
World's Most Evil Prisoners
Whilst being transported on a bus, Ricky Dubose killed two correctional officers before going on the run.
World's Most Evil Prisoners
Imprisoned after a fatal robbery, Craig Wissink kills a corrections officer in a brutal attack.
World's Most Evil Prisoners
The story of Tyler Davis Bingham, pretty criminal turned leader of the brutal and feared Aryan Brotherhood.
World's Most Evil Prisoners
While on trial for rape, 33-year-old Brian Nichols goes on a violent rampage that results in three murders.
World's Most Evil Killers
The story of serial killer Geoffrey Evans and his accomplice John Shaw, who hit headlines in 1976.
World's Most Evil Killers
Stuart Campbell is convicted for the murder of his 15-year-old niece in 2002, even though her body has never been found.
World's Most Evil Killers
Jordan Monaghan kills his 24-day-old daughter Ruby on New Year's Day in January 2013.
World's Most Evil Killers
Charlotte Murray vanished, and the lies from her ex-fiance Johnny Miller led to his conviction.
World's Most Evil Killers
"Pee Wee" Gaskins escalated from a petty criminal to a murderer after a teen went missing.