Documentary profiling Chicago killer John Wayne Gacy, who was well-liked by his local community, until it emerged he had ended the lives of 33 men in the 1970s.
An insight into the crimes of Jeffrey Dahmer, the American serial killer dubbed the `Milwaukee Cannibal' after he raped, murdered and dismembered 17 people between 1978 and 1991
A profile of Ed Gein, the killer and body-snatcher who came to be known as the `Butcher of Plainfield', and whose story is thought to have inspired Alfred Hitchcock's Psycho.
Profiling the Belgian serial killer, convicted for kidnapping, torturing and sexually abusing six victims until his arrest in 1996.
A profile of the ghastly German serial killer who hunted and ate parts of his victims, earning him the title of the 'Ruhr Cannibal'.
An account of the German serial killer Fritz Honka, whose insecurities over his height and peculiar sexual habits led to him killing four prostitutes.
An insight into the crimes of Thierry Paulin, who attacked, robbed and murdered at least 18 elderly women in France during the 1980s, to fund his extravagant lifestyle.
A profile of Volker Eckert, the German truck driver who used his constant travelling to spread his killing spree across Europe.
Serial killer Edmund Kemper killed six women in California and several members of his family.
Exhibiting cruelty, callousness, and viciousness beyond any human understanding, Richard Ramirez terrorized Los Angeles with his spate of home invasions.
The story of the "Death House Landlady", who took in elderly and disabled tenants, only to murder them for their social security paychecks.
The chilling case of a Hong Kong kleptomaniac and a Vietnam veteran who committed a series of horrific murders from their cabin in California.
Also known as the Yosemite Park Killer, Cary Stayner murdered four women in 1999 before his capture. Were his actions the result of a tragic childhood?
Examining the murderer who appeared on a dating game show in the midst of a killing spree that may have claimed as many as 130 victims.
The disturbing case of 53-year-old German Horst Kroener, who was jailed in 2016 for murdering his Filipina wife in her sleep.
The case of 'The Pink Giant', Wolfgang Schmidt, a transgender German serial killer who brutally murdered five women and an infant.
The story of the Austrian serial killer Jack Unterweger, who was heralded as an example of successful rehabilitation, only for him to kill again.
An examination of the Polish serial killer, who came to be known as "The Scorpion" after murdering nine women and attacking eleven others.
The story of Ted Bundy, a suave, outwardly normal psychology graduate who admitted to killing at least 35 women before being executed in 1989.
A look at the life and crimes of the serial killer Aileen Wuornos, whose story was featured in the Oscar-winning film Monster, and who was executed in 2002.
The crimes of serial killer Bobby Joe Long, who abducted and murdered at least 10 women in 1984. He was executed by lethal injection in 2019.
The case of serial killer Gary Ridgway, who has confessed to murdering a staggering 71 teenage girls and women across Washington state through the 1980s and 1990s.
The crimes of the American serial killer Dennis Rader, who murdered 10 people in the Wichita, Kansas area over 17 years and dubbed himself BTK - meaning `Bind, Torture, Kill'.
A look at the cold-hearted criminal who was convicted of murdering her daughter and attempting to kill her two other children in 1983.
A look at the horrific crimes committed by Kansas City serial killer Robert Berdella, known for kidnapping, raping, torturing and butchering his victims.
A profile of the serial killer Robert Lee Yates, who narrowly avoided the death penalty for killing at least 13 sex workers during a horrific reign of terror.
A profile of serial killer Danny Rolling, nicknamed the Gainesville Ripper, who targeted Florida students with crimes so horrific that he inspired the movie Scream.
A look at the life of the Polish serial killer, nicknamed the Vampire of Krakow for his wildly varying choice of victims, from young children to the elderly.
A chilling profile of the vicious serial killer who claimed the lives of at least seven innocent people between 2003 and 2016.
A profile of the serial killer who found himself at the center of New York's biggest manhunt after a vicious shooting spree that left six dead.
A profile of The Truck Stop Killer, who targeted hitchhikers and truck stop sex workers in a horrific string of crimes spanning 15 years.
A profile of the murderer known to some as the Riverside Prostitute Killer, who sits on death row after being convicted for the slaying of 12 women.
A profile of the Rhode Island family man and Sunday school teacher, who also turned out to be a cold-blooded triple murderer.
An investigation into the murderous mother-and-son duo, who killed their elderly landlady in a greed-fueled ploy.
A profile of the serial killer who took the lives of six victims in one month, known to some as The Vampire Killer due to his penchant for cannibalism.
Known as The Railroad Killer to some, the serial killer is thought to have taken the lives of more than 23 victims before his execution in 2006.
A look at the lives and crimes of a duo of cousins who, together, took the lives of 10 girls and women aged between 12 and 28.
A look at the life of the American serial killer, who was convicted of three murders but confessed to many more.
The crimes of Lonnie Franklin, an American serial killer who was given the nickname the Grim Sleeper, and was responsible for at least 10 murders and one attempted murder in Los Angeles.
The story of William Bonin, the savage serial killer who took the lives of more than 21 teenage boys and left their bodies strewn across freeways in California.
The crimes of Jerry Brudos, whose disturbing shoe fetish played a part in the gruesome murders he carried out on four young women in Oregon between 1968 and 1969.
A profile of the serial killer Keith Jesperson, whose chilling confession letters to the media and prosecutors were signed off with smiley faces.
The story of Colorado killer Arthur Shawcross, whose bloodthirsty murder spree lasted more than a decade and claimed over a dozen lives.
The crimes of Doug Clark and Carol M Bundy, a cunning pair of lovers-turned-murderers who targeted young girls and sex workers on LA's Sunset Strip in the late 1970s, brutally killing for their own twisted pleasure.
The story of Patrick Wayne Kearney, one of the most prolific serial killers in America, with a victim list of at least 25 - the youngest aged just five.
A profile of one of Oregon's most prolific killers, Dayton Leyroy Rogers, who would prowl Molalla's forests in search of prostitutes to satisfy his lust for violence.
A profile of triple-murderer Richard Roszkowski, who killed his ex-girlfriend Holly Flannery, her nine-year-old daughter Kylie and his former room-mate Thomas Gaudet in September 2006.
A profile of serial killer Cesar Barone, currently serving a life sentence for the rape and murder of four women in Oregon in the early 1990s.
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.
The story of one of the most prolific serial killers in Canadian history, dubbed `The Pig Farmer Killer' by the media.
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.
The story of a terrifying killer who snatched away the lives of four victims before being caught while trying to claim his fifth.
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.
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
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.
The story of Velma Barfield, the first woman to be executed by lethal injection after taking six lives.
The story of the cold-blooded serial killer who took the lives of at least fifteen people during a terrifying decade-long murder campaign.
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.