World's Most Evil Killers
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World's Most Evil Prisoners
After murdering his aunt and uncle, Ramon Escobar rampages across L.A. and strangles his cellmate.
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World's Most Evil Prisoners
His terrifying appearance makes Jaime Osuna a feared man in the U.S. prison system.
World's Most Evil Prisoners
After killer Leo Boatman murdered two campers, he went on the kill three inmates behind bars.
World's Most Evil Prisoners
Nearing the end of a lengthy prison sentence, Curtis Watson does the unthinkable.
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
After murdering his aunt and uncle, Ramon Escobar rampages across L.A. and strangles his cellmate.
World's Most Evil Prisoners
Craig Bjork, who killed two women and both of his children, remains a threat -even behind bars.
World's Most Evil Prisoners
Being behind bars only made Italian-American mobster Freddy Geas even more brutal.
World's Most Evil Prisoners
Craig Bjork, who killed two women and both of his children, remains a threat -even behind bars.
World's Most Evil Prisoners
Imprisoned for murdering a woman and her son, Denver Simmons only caused more violence behind bars.
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 Killers
John Allen and his teenage accomplice carried out the brutal series of shootings that killed ten.
World's Most Evil Killers
In 1973, Dawn Magyar's body was found; advances in forensics help solve the case.
World's Most Evil Killers
The story of a killer so evil that not even her own son could escape her clutches.
World's Most Evil Killers
The story of the serial killer who brutally snatched away the lives of eight innocent women.
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
An investigation into the woman who stabbed her sister to death while her children slept upstairs.
World's Most Evil Killers
The story of serial killer Geoffrey Evans and his accomplice John Shaw.
World's Most Evil Killers
He portrayed himself as a pillar of the community, but the story of this cult killer was deeply sinister.
World's Most Evil Killers
The story of Malcolm Green, who was jailed for life for the brutal murder of a Cardiff prostitute.
World's Most Evil Killers
Robert Howard manipulated and preyed on vulnerable women across countries.
World's Most Evil Killers
A traffic stop revealed a body, exposing Joel Rifkin's deadly spree against vulnerable women.
World's Most Evil Killers
A master manipulator accused of the murder of his wife eventually caught out by a polygraph test.
World's Most Evil Killers
A look at the story of Jorge Avila-Torres, a prolific predator who murdered innocent girls.
World's Most Evil Killers
William Bonin is known to some as the 'Freeway Killer,' thought to have murdered twenty-one boys.
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
Randy Kraft was a well-spoken, well-respected computer expert...and a prolific serial killer.
World's Most Evil Killers
Jordan Monaghan killed his 24-day-old daughter Ruby on New Year's Day in January 2013.
World's Most Evil Killers
Jane Longhurst vanished after making a plan to go swimming with her friend's boyfriend.
World's Most Evil Killers
Ali Qazimaj is an Albanian conman who brutally murdered an elderly couple in 2016.
World's Most Evil Killers
Ali Qazimaj is an Albanian conman who brutally murdered an elderly couple in 2016.
World's Most Evil Killers
A profile into the murderer who terrorised the gay community as the 'Trash Bag Killer'.
World's Most Evil Killers
Lonnie David Franklin Jr. is better known by the nickname 'Grim Sleeper.'
World's Most Evil Killers
Teen Mhairi Julyan was murdered, and forensics led police to violent repeat offender Gavin McGuire.
World's Most Evil Killers
Westley Allan Dodd's escalating predation ended after he murdered three young boys.
World's Most Evil Killers
In March 2005, the gardaí recovered human body parts from the Royal Canal in Dublin.
World's Most Evil Killers
From a small-time crook to one of the world's most evil killers.
World's Most Evil Killers
The I-95 killer, who brutally killed six men in 1994, is executed three years later.
World's Most Evil Killers
Dublin man Eric Locke refused to accept it when Sonia Blount ended their relationship.
World's Most Evil Killers
Dublin man Eric Locke refused to accept it when Sonia Blount ended their relationship.
World's Most Evil Killers
Stephen Farrow committed two murders in early 2012 motivated by an obsessive hatred of Christianity.
World's Most Evil Killers
Teen Mhairi Julyan was murdered, and forensics led police to violent repeat offender Gavin McGuire.
World's Most Evil Killers
A profile into the murderer who terrorised the gay community as the 'Trash Bag Killer'.
World's Most Evil Killers
Paige Birgfeld went missing in 2007 and her remains were found five years later, reopening the case.
World's Most Evil Killers
The story of the cold-blooded serial killer who took the lives of eleven people.
World's Most Evil Killers
Dayton Leroy Rogers is a serial killer who mutilated and killed at least eight women.
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
Lee Ford kills his wife and four stepchildren in a cold-blooded murder spree.
World's Most Evil Killers
The story of 27-year-old Pawel Relowicz, who raped and killed 21-year-old Hull student Libby Squire.
World's Most Evil Killers
Examining some of the most dangerous and prolific murderers in the UK and worldwide.
World's Most Evil Killers
Natalie Jarvis was killed by Adam Whelehan, whose cowardly plot was exposed by investigators.
World's Most Evil Killers
Victor Farrant is a convicted rapist who murdered his former girlfriend in 1996.
World's Most Evil Killers
Billy Dunlop killed Julie Hogg in 1989 but was acquitted after two failed trials.
World's Most Evil Killers
Pee Wee' Gaskins escalated from a petty criminal to a murderer after a teen went missing.
World's Most Evil Killers
Robert Hansen was a monster who preyed on vulnerable women.
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
Pee Wee' Gaskins escalated from a petty criminal to a murderer after a teen went missing.
World's Most Evil Killers
Shore was a dangerous sexual predator who will be remembered as one of the world's most evil killers.
World's Most Evil Killers
Dozens of Atlanta youths were killed, with Wayne Williams accused amid lingering questions.
World's Most Evil Killers
Danville Neil jailed for 1993 murders.
World's Most Evil Killers
In April 1997, 27-year-old Rachel McGrath was stabbed to death by an unknown attacker in a car park.
World's Most Evil Killers
Cesar Barone was an American serial killer who took the life of four women in Oregon in the 1990s.
World's Most Evil Killers
In 2003, Kenneth Regan and William Horncy murdered a millionaire and his young family.
World's Most Evil Killers
Jordan Monaghan killed his 24-day-old daughter Ruby on New Year's Day in January 2013.
World's Most Evil Killers
Anthony Russell, a triple murderer, sparked a frantic 2020 manhunt as police raced to stop him.
World's Most Evil Killers
Robert Howard manipulated and preyed on vulnerable women across countries.
World's Most Evil Killers
A prolific serial killer is dubbed "The Pig Farmer Killer" by the media.
World's Most Evil Killers
An investigation into the woman who stabbed her sister to death while her children slept upstairs.
World's Most Evil Killers
Two criminals who met in prison strike up a friendship, which had deadly consequences.
World's Most Evil Killers
The story of serial killer Geoffrey Evans and his accomplice John Shaw.
World's Most Evil Killers
A family's worst nightmare when 16-year-old Becky Watts is murdered by her own stepbrother.
World's Most Evil Killers
Robert Hansen was a monster who preyed on vulnerable women.
World's Most Evil Killers
Jerome Brudos was a serial killer and necrophile who murdered four women in Oregon during the 1960s.
World's Most Evil Prisoners
The story of Tyler Davis Bingham, leader of the brutal and feared Aryan Brotherhood.
World's Most Evil Prisoners
Billy Tracy is one of the most violent offenders on death row.
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
James "Porky" O'Rourke is one of the most feared men in the UK prison system.
World's Most Evil Prisoners
While on trial for rape, 33-year-old Brian Nichols goes on a rampage that results in three murders.
World's Most Evil Prisoners
Remorseless murderer Casey Pigge's main ambition is to be the ultimate serial killer.
World's Most Evil Prisoners
Thomas Silverstein was so dangerous that he spent 36 years in solitary confinement.
World's Most Evil Prisoners
Remorseless murderer Casey Pigge's main ambition is to be the ultimate serial killer.
World's Most Evil Prisoners
Gary Vinter, in prison for double murder, stabs an inmate in the eye and gives another brain damage.
World's Most Evil Prisoners
Miti Maugaotega Jr. receives one of the longest prison sentences in Hawai?i history.
World's Most Evil Prisoners
Thomas Silverstein was so dangerous that he spent 36 years in solitary confinement.
World's Most Evil Prisoners
James "Porky" O'Rourke is one of the most feared men in the UK prison system.
World's Most Evil Prisoners
Robber-turned-killer Erica Jenkins goes on a murder spree in Omaha.
World's Most Evil Prisoners
Joshua Gardner commits his first murder at 24. Even behind bars, he can't contain his rage.
World's Most Evil Prisoners
After murdering a woman in the woods, Rocky Beamon brutally kills two fellow inmates behind bars.
World's Most Evil Prisoners
The story of Tyler Davis Bingham, leader of the brutal and feared Aryan Brotherhood.
World's Most Evil Prisoners
One of the UK's most infamous serial killers, Joanna Dennehy brutally stabbed three men to death.
World's Most Evil Prisoners
James "Porky" O'Rourke is one of the most feared men in the UK prison system.
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 Killers
For nearly a decade, the Bayou Strangler deceived, bound, assaulted and murdered men.
World's Most Evil Killers
A look into the case of a sadistic killer, who posed as an MI5 agent in order to murder his victim.
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
A prolific serial killer is dubbed "The Pig Farmer Killer" by the media.
World's Most Evil Killers
The story of 27-year-old Pawel Relowicz, who raped and killed 21-year-old Hull student Libby Squire.
World's Most Evil Killers
An in-depth look at some of the world's most dangerous murderers.
World's Most Evil Killers
In 1973, Dawn Magyar's body was found; advances in forensics help solve the case.
World's Most Evil Killers
Randy Kraft was a well-spoken, well-respected computer expert...and a prolific serial killer.
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
Lee Ford kills his wife and four stepchildren in a cold-blooded murder spree.
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
Robert Hansen was a monster who preyed on vulnerable women.
World's Most Evil Killers
Stephen Farrow committed two murders in early 2012 motivated by an obsessive hatred of Christianity.
World's Most Evil Killers
He portrayed himself as a pillar of the community, but the story of this cult killer was deeply sinister.
World's Most Evil Killers
A prolific serial killer is dubbed "The Pig Farmer Killer" by the media.
World's Most Evil Killers
Robert Hansen was a monster who preyed on vulnerable women.
World's Most Evil Killers
An in-depth look at some of the world's most dangerous murderers.
World's Most Evil Killers
The I-95 killer, who brutally killed six men in 1994, is executed three years later.
World's Most Evil Killers
The I-95 killer, who brutally killed six men in 1994, is executed three years later.
World's Most Evil Killers
Shore was a dangerous sexual predator who will be remembered as one of the world's most evil killers.
World's Most Evil Killers
She became the first woman to be executed by lethal injection after taking six lives.
World's Most Evil Killers
An investigation into the man known as the 'Babes in the Wood Killer.'
World's Most Evil Killers
Robert Hansen was a monster who preyed on vulnerable women.
World's Most Evil Killers
When Carol Jarvis disappears, her husband tells people that she's simply gone on a little holiday.
World's Most Evil Killers
Examining some of the most dangerous and prolific murderers in the UK and worldwide.
World's Most Evil Killers
The story of the serial killer who brutally snatched away the lives of eight innocent women.
World's Most Evil Killers
Robert Howard manipulated and preyed on vulnerable women across countries.
World's Most Evil Killers
Natalie Jarvis was killed by Adam Whelehan, whose cowardly plot was exposed by investigators.
World's Most Evil Killers
A profile into the murderer who terrorised the gay community as the 'Trash Bag Killer'.
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
A killer attacks his ex-girlfriend in a jealous frenzy and commits a brutal murder.
World's Most Evil Killers
Randy Kraft was a well-spoken, well-respected computer expert...and a prolific serial killer.
World's Most Evil Killers
For nearly a decade, the Bayou Strangler deceived, bound, assaulted and murdered men.
World's Most Evil Killers
Stephen Farrow committed two murders in early 2012 motivated by an obsessive hatred of Christianity.
World's Most Evil Killers
In 1973, Dawn Magyar's body was found; advances in forensics help solve the case.
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
Shore was a dangerous sexual predator who will be remembered as one of the world's most evil killers.
World's Most Evil Killers
Sarah Williams and Katrina Walsh: the story of two friends who carried out an evil murder.
World's Most Evil Killers
Stephen Farrow committed two murders in early 2012 motivated by an obsessive hatred of Christianity.
World's Most Evil Killers
For nearly a decade, the Bayou Strangler deceived, bound, assaulted and murdered men.
World's Most Evil Killers
Examining some of the most dangerous and prolific murderers in the UK and worldwide.
World's Most Evil Killers
She became the first woman to be executed by lethal injection after taking six lives.
World's Most Evil Killers
In April 1997, 27-year-old Rachel McGrath was stabbed to death by an unknown attacker in a car park.
World's Most Evil Killers
Dublin man Eric Locke refused to accept it when Sonia Blount ended their relationship.
World's Most Evil Killers
Steven Dean Gordon and Frank Cano murdered at least four sex workers in California.
World's Most Evil Killers
For nearly a decade, the Bayou Strangler deceived, bound, assaulted and murdered men.
World's Most Evil Killers
Billy Dunlop killed Julie Hogg in 1989 but was acquitted after two failed trials.
World's Most Evil Killers
An in-depth look at some of the world's most dangerous murderers.
World's Most Evil Killers
Nurse Charles Cullen secretly killed patients for years while avoiding scrutiny.
World's Most Evil Killers
A master manipulator accused of the murder of his wife eventually caught out by a polygraph test.
World's Most Evil Killers
Shore was a dangerous sexual predator who will be remembered as one of the world's most evil killers.
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
Jordan Monaghan killed his 24-day-old daughter Ruby on New Year's Day in January 2013.
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
William Bonin is known to some as the 'Freeway Killer,' thought to have murdered twenty-one boys.
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
A traffic stop revealed a body, exposing Joel Rifkin's deadly spree against vulnerable women.
World's Most Evil Killers
Victor Farrant is a convicted rapist who murdered his former girlfriend in 1996.
World's Most Evil Killers
Jordan Monaghan killed his 24-day-old daughter Ruby on New Year's Day in January 2013.
World's Most Evil Killers
The story of Malcolm Green, who was jailed for life for the brutal murder of a Cardiff prostitute.
World's Most Evil Killers
Keith Jesperson brutally killed at least eight women across five American states in the early 1990s.
World's Most Evil Killers
The story of Malcolm Green, who was jailed for life for the brutal murder of a Cardiff prostitute.
World's Most Evil Killers
Lonnie David Franklin Jr. is better known by the nickname 'Grim Sleeper.'
World's Most Evil Killers
The story of the killer who took four lives during a chilling two-day killing spree in 2004.
World's Most Evil Killers
Dozens of Atlanta youths were killed, with Wayne Williams accused amid lingering questions.
World's Most Evil Killers
The chilling story of a serial killer who worked as a nurse in Texas.
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
Steven Dean Gordon and Frank Cano murdered at least four sex workers in California.
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
Over six years, Eddie Seda, the copycat Zodiac killer stalked the streets of New York City.
World's Most Evil Killers
The story of the Baton Rouge Serial Killer, known for murdering seven women in the area.
World's Most Evil Killers
Pee Wee' Gaskins escalated from a petty criminal to a murderer after a teen went missing.
World's Most Evil Killers
She became the first woman to be executed by lethal injection after taking six lives.
World's Most Evil Killers
A traffic stop revealed a body, exposing Joel Rifkin's deadly spree against vulnerable women.
World's Most Evil Killers
Jerome Brudos was a serial killer and necrophile who murdered four women in Oregon during the 1960s.
World's Most Evil Killers
Michael Bruce Ross, driven by sadistic urges, killed multiple young women in Connecticut.
World's Most Evil Killers
Ali Qazimaj is an Albanian conman who brutally murdered an elderly couple in 2016.
World's Most Evil Killers
John Allen and his teenage accomplice carried out the brutal series of shootings that killed ten.
World's Most Evil Killers
The chilling story of a serial killer who worked as a nurse in Texas.
World's Most Evil Killers
Goudeau terrorized victims in the Phoenix metro area between August 2005 and June 2006.
World's Most Evil Killers
Paul Runge raped and killed 6 women and a young girl in Chicago, Illinois.
World's Most Evil Killers
Claire Inglis became trapped with violent offender Christopher McGowan, leading to tragedy.
World's Most Evil Killers
The story of the killer who took four lives during a chilling two-day killing spree in 2004.
World's Most Evil Killers
The police in Colorado interrogate Richard Paul White about the murder of his friend.
World's Most Evil Killers
The story of a terrifying killer who snatched away the lives of four victims before being caught.
World's Most Evil Killers
The story of Malcolm Green, who was jailed for life for the brutal murder of a Cardiff prostitute.
World's Most Evil Killers
In April 1997, 27-year-old Rachel McGrath was stabbed to death by an unknown attacker in a car park.
World's Most Evil Killers
A look at the story of Jorge Avila-Torres, a prolific predator who murdered innocent girls.
World's Most Evil Killers
A look at the story of Jorge Avila-Torres, a prolific predator who murdered innocent girls.
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
When Mary Gough was found dead in her family home, her husband Colin Whelan appeared shocked.
World's Most Evil Killers
In March 2005, the gardaí recovered human body parts from the Royal Canal in Dublin.
World's Most Evil Killers
Laura Al Shatanawi disappeared, and detectives uncovered the tragic truth behind her husband Hassan.
World's Most Evil Killers
The story of a killer so evil that not even her own son could escape her clutches.
World's Most Evil Killers
Joshua Wade had all the hall marks of a killer. We'll never understand the motives behind his random killings.
World's Most Evil Killers
Joshua Wade had all the hall marks of a killer. We'll never understand the motives behind his random killings.
World's Most Evil Killers
Keith Jesperson brutally killed at least eight women across five American states in the early 1990s.
World's Most Evil Killers
For nearly a decade, the Bayou Strangler deceived, bound, assaulted and murdered men.
World's Most Evil Killers
Teen Mhairi Julyan was murdered, and forensics led police to violent repeat offender Gavin McGuire.
World's Most Evil Killers
Stephen Farrow committed two murders in early 2012 motivated by an obsessive hatred of Christianity.
World's Most Evil Killers
In April 1997, 27-year-old Rachel McGrath was stabbed to death by an unknown attacker in a car park.
World's Most Evil Killers
Joshua Wade had all the hall marks of a killer. We'll never understand the motives behind his random killings.
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
Two criminals who met in prison strike up a friendship, which had deadly consequences.
World's Most Evil Killers
Nurse Charles Cullen secretly killed patients for years while avoiding scrutiny.
World's Most Evil Killers
William Bonin is known to some as the 'Freeway Killer,' thought to have murdered twenty-one boys.
World's Most Evil Killers
From a small-time crook to one of the world's most evil killers.
World's Most Evil Killers
Catherine Nevin reported a break-in and violent attack at her pub, which left her husband dead.
World's Most Evil Killers
Over a 25-year career of murder, Richard Biegenwald killed at least six people.
World's Most Evil Killers
Steven Dean Gordon and Frank Cano murdered at least four sex workers in California.
World's Most Evil Killers
Examining some of the most dangerous and prolific murderers in the UK and worldwide.
World's Most Evil Killers
Victor Farrant is a convicted rapist who murdered his former girlfriend in 1996.
World's Most Evil Killers
In 1999 and 2000, John Eric Armstrong cruised the streets looking for sex workers.
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
Paul Runge raped and killed 6 women and a young girl in Chicago, Illinois.
World's Most Evil Prisoners
Imprisoned for murdering a woman and her son, Denver Simmons only caused more violence behind bars.
World's Most Evil Prisoners
Whilst being transported, Ricky Dubose killed two correctional officers before going on the run.
World's Most Evil Prisoners
His terrifying appearance makes Jaime Osuna a feared man in the U.S. prison system.
World's Most Evil Prisoners
Joshua Gardner commits his first murder at 24. Even behind bars, he can't contain his rage.
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
While on trial for rape, 33-year-old Brian Nichols goes on a rampage that results in three murders.
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
Robber-turned-killer Erica Jenkins goes on a murder spree in Omaha.
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
James "Porky" O'Rourke is one of the most feared men in the UK prison system.
World's Most Evil Prisoners
Being behind bars only made Italian-American mobster Freddy Geas even more brutal.
World's Most Evil Prisoners
Edward Johnson was sent to prison for the brutal murder of a female friend.
World's Most Evil Killers
A killer attacks his ex-girlfriend in a jealous frenzy and commits a brutal murder.
World's Most Evil Killers
When Carol Jarvis disappears, her husband tells people that she's simply gone on a little holiday.
World's Most Evil Killers
The chilling story of Mark Martin, who murdered three homeless women.
World's Most Evil Killers
An in-depth look at some of the world's most dangerous murderers.
World's Most Evil Killers
Jane Longhurst vanished after making a plan to go swimming with her friend's boyfriend.
World's Most Evil Killers
Arthur Shawcross, known as the Genesee River Killer, murdered eleven women in upstate New York.
World's Most Evil Killers
An investigation into the man known as the 'Babes in the Wood Killer.'
World's Most Evil Killers
The chilling story of a serial killer who worked as a nurse in Texas.
World's Most Evil Killers
Nurse Charles Cullen secretly killed patients for years while avoiding scrutiny.
World's Most Evil Killers
The story of 27-year-old Pawel Relowicz, who raped and killed 21-year-old Hull student Libby Squire.
World's Most Evil Killers
Joshua Wade had all the hall marks of a killer. We'll never understand the motives behind his random killings.
World's Most Evil Killers
New Jersey native Richard Kuklinski claimed to have murdered over 100 people working as a hit man.
World's Most Evil Killers
In March 2005, the gardaí recovered human body parts from the Royal Canal in Dublin.
World's Most Evil Killers
A family's worst nightmare when 16-year-old Becky Watts is murdered by her own stepbrother.
World's Most Evil Killers
Paul Runge raped and killed 6 women and a young girl in Chicago, Illinois.
World's Most Evil Killers
Sarah Williams and Katrina Walsh: the story of two friends who carried out an evil murder.
World's Most Evil Killers
Examining some of the most dangerous and prolific murderers in the UK and worldwide.
World's Most Evil Killers
When Mary Gough was found dead in her family home, her husband Colin Whelan appeared shocked.
World's Most Evil Killers
Anthony Russell, a triple murderer, sparked a frantic 2020 manhunt as police raced to stop 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
Douglas Clark and Carol Bundy were a deadly duo who terrorized the streets of Los Angeles.
World's Most Evil Killers
When Mary Gough was found dead in her family home, her husband Colin Whelan appeared shocked.
World's Most Evil Killers
The police in Colorado interrogate Richard Paul White about the murder of his friend.
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
A look into the case of a sadistic killer, who posed as an MI5 agent in order to murder his victim.
World's Most Evil Killers
Paige Birgfeld went missing in 2007 and her remains were found five years later, reopening the case.
World's Most Evil Killers
Goudeau terrorized victims in the Phoenix metro area between August 2005 and June 2006.
World's Most Evil Killers
Billy Dunlop killed Julie Hogg in 1989 but was acquitted after two failed trials.
World's Most Evil Killers
In 1999 and 2000, John Eric Armstrong cruised the streets looking for sex workers.
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
New Jersey native Richard Kuklinski claimed to have murdered over 100 people working as a hit man.
World's Most Evil Killers
A look at the story of Jorge Avila-Torres, a prolific predator who murdered innocent girls.
World's Most Evil Killers
A family's worst nightmare when 16-year-old Becky Watts is murdered by her own stepbrother.
World's Most Evil Killers
Steven Dean Gordon and Frank Cano murdered at least four sex workers in California.
World's Most Evil Killers
Robert Hansen was a monster who preyed on vulnerable women.
World's Most Evil Killers
Lee Ford kills his wife and four stepchildren in a cold-blooded murder spree.
World's Most Evil Killers
A decade-old link revealed a serial killer who kept the same M.O. after moving far away.
World's Most Evil Killers
The story of the killer who took four lives during a chilling two-day killing spree in 2004.
World's Most Evil Prisoners
His terrifying appearance makes Jaime Osuna a feared man in the U.S. prison system.
World's Most Evil Prisoners
Billy Tracy is one of the most violent offenders on death row.
World's Most Evil Prisoners
The story of Tyler Davis Bingham, leader of the brutal and feared Aryan Brotherhood.
World's Most Evil Prisoners
Billy Tracy is one of the most violent offenders on death row.
World's Most Evil Prisoners
Nearing the end of a lengthy prison sentence, Curtis Watson does the unthinkable.
World's Most Evil Prisoners
Craig Bjork, who killed two women and both of his children, remains a threat -even behind bars.
World's Most Evil Prisoners
Jesse Con-ui's loyalty to the New Mexican Mafia drove him to betray and murder his former mentor.
World's Most Evil Prisoners
Career criminal Michael Dutcher has continued his streak of violence and murder even behind bars.
World's Most Evil Prisoners
The story of Tyler Davis Bingham, leader of the brutal and feared Aryan Brotherhood.
World's Most Evil Prisoners
James "Porky" O'Rourke is one of the most feared men in the UK prison system.
World's Most Evil Prisoners
One of the UK's most infamous serial killers, Joanna Dennehy brutally stabbed three men to death.
World's Most Evil Killers
Stephen Farrow committed two murders in early 2012 motivated by an obsessive hatred of Christianity.
World's Most Evil Killers
Danville Neil jailed for 1993 murders.
World's Most Evil Killers
In March 2005, the gardaí recovered human body parts from the Royal Canal in Dublin.
World's Most Evil Killers
A master manipulator accused of the murder of his wife eventually caught out by a polygraph test.
World's Most Evil Killers
Over a 25-year career of murder, Richard Biegenwald killed at least six people.
World's Most Evil Killers
Keith Jesperson brutally killed at least eight women across five American states in the early 1990s.
World's Most Evil Killers
Dayton Leroy Rogers is a serial killer who mutilated and killed at least eight women.
World's Most Evil Killers
A decade-old link revealed a serial killer who kept the same M.O. after moving far away.
World's Most Evil Killers
Westley Allan Dodd's escalating predation ended after he murdered three young boys.
World's Most Evil Killers
The story of 27-year-old Pawel Relowicz, who raped and killed 21-year-old Hull student Libby Squire.
World's Most Evil Killers
The chilling story of Mark Martin, who murdered three homeless women.
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
A traffic stop revealed a body, exposing Joel Rifkin's deadly spree against vulnerable women.
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
In April 1997, 27-year-old Rachel McGrath was stabbed to death by an unknown attacker in a car park.
World's Most Evil Killers
In 1973, Dawn Magyar's body was found; advances in forensics help solve the case.
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
For nearly a decade, the Bayou Strangler deceived, bound, assaulted and murdered men.
World's Most Evil Killers
Examining some of the most dangerous and prolific murderers in the UK and worldwide.
World's Most Evil Killers
Dublin man Eric Locke refused to accept it when Sonia Blount ended their relationship.
World's Most Evil Killers
Laura Al Shatanawi disappeared, and detectives uncovered the tragic truth behind her husband Hassan.
World's Most Evil Killers
A look into the case of a sadistic killer, who posed as an MI5 agent in order to murder his victim.
World's Most Evil Killers
Paul Runge raped and killed 6 women and a young girl in Chicago, Illinois.
World's Most Evil Killers
The story of Malcolm Green, who was jailed for life for the brutal murder of a Cardiff prostitute.
World's Most Evil Killers
Over a 25-year career of murder, Richard Biegenwald killed at least six people.
World's Most Evil Killers
In 1973, Dawn Magyar's body was found; advances in forensics help solve the case.
World's Most Evil Killers
Victor Farrant is a convicted rapist who murdered his former girlfriend in 1996.
World's Most Evil Killers
A prolific serial killer is dubbed "The Pig Farmer Killer" by the media.
World's Most Evil Killers
She became the first woman to be executed by lethal injection after taking six lives.
World's Most Evil Killers
An investigation into the woman who stabbed her sister to death while her children slept upstairs.
World's Most Evil Killers
The chilling story of Mark Martin, who murdered three homeless women.
World's Most Evil Killers
Billy Dunlop killed Julie Hogg in 1989 but was acquitted after two failed trials.
World's Most Evil Killers
Two criminals who met in prison strike up a friendship, which had deadly consequences.
World's Most Evil Killers
Examining some of the most dangerous and prolific murderers in the UK and worldwide.
World's Most Evil Killers
Examining some of the most dangerous and prolific murderers in the UK and worldwide.
World's Most Evil Killers
The story of a killer so evil that not even her own son could escape her clutches.
World's Most Evil Killers
Paige Birgfeld went missing in 2007 and her remains were found five years later, reopening the case.
World's Most Evil Killers
Joshua Wade had all the hall marks of a killer. We'll never understand the motives behind his random killings.
World's Most Evil Killers
Natalie Jarvis was killed by Adam Whelehan, whose cowardly plot was exposed by investigators.
World's Most Evil Killers
Natalie Jarvis was killed by Adam Whelehan, whose cowardly plot was exposed by investigators.
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
Goudeau terrorized victims in the Phoenix metro area between August 2005 and June 2006.
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
Robert Hansen was a monster who preyed on vulnerable women.
World's Most Evil Killers
John Allen and his teenage accomplice carried out the brutal series of shootings that killed ten.
World's Most Evil Killers
New Jersey native Richard Kuklinski claimed to have murdered over 100 people working as a hit man.
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
Richard Roszkowski gunned down three people in Connecticut in 2006, including a nine-year-old.
World's Most Evil Killers
The chilling story of a serial killer who worked as a nurse in Texas.
World's Most Evil Killers
New Jersey native Richard Kuklinski claimed to have murdered over 100 people working as a hit man.
World's Most Evil Killers
Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.
World's Most Evil Killers
Danville Neil jailed for 1993 murders.
World's Most Evil Killers
Steven Dean Gordon and Frank Cano murdered at least four sex workers in California.
World's Most Evil Killers
Over six years, Eddie Seda, the copycat Zodiac killer stalked the streets of New York City.
World's Most Evil Killers
The story of the serial killer who brutally snatched away the lives of eight innocent women.
World's Most Evil Killers
The chilling story of a serial killer who worked as a nurse in Texas.
World's Most Evil Killers
Cesar Barone was an American serial killer who took the life of four women in Oregon in the 1990s.
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
A decade-old link revealed a serial killer who kept the same M.O. after moving far away.