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Death Walker With Nick Groff
Nick investigates Nazareth Hospital and tries to make physical contact with the many spirits said to haunt it.
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Death Walker With Nick Groff
In Ballinger, Texas, the Olde Park Hotel has a past shrouded in mystery; Nick investigates the haunted hotel for two days and two nights.
Women Behind Bars
Patricia Johnson is found guilty in 1991 of the shooting death of her third husband; Rebecca Bivens is serving 40 years for fatally beating her five-year-old stepdaughter.
World's Most Evil Prisoners
James "Porky" O'Rourke's addiction to violence means he is one of the most feared men in the UK prison system.
Women Behind Bars
A woman is accused of stabbing a teen that she befriended while staying at a mental health facility; a woman is accused of conspiring to murder her pimp.
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.
Women Behind Bars
A woman who shot her husband and tried to hide his body; a woman is accused of plotting her friend's murder.
World's Most Evil Prisoners
Feared Aryan Warriors gang leader 'Mugsy' Williams was a one-man crime wave - even behind bars.
Women Behind Bars
Jackie Alexander is sentenced to life in prison without the possibility of parole for the murder of her roommate; Heather Frango is charged with murder after the death of her son, Jonathan.
Britain's Most Evil Killers
Fred and Rose West rape, torture and kill young women in their house of horrors, including their own daughter; between them, they murder 12 girls; interviews with investigators including Chief Constable Tony Butler.
World's Most Evil Women
When a businessman vanishes, police are led to Pamela Moss, an unassuming woman with terrifying secrets.
World's Most Evil Women
For six months, Marcia Eubank lives alongside the remains of her husband whom she has callously murdered.
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 Women
Natalie Bennett embarks on years of coercively controlling her boyfriend before ending his life with murder.
World's Most Evil Women
Dena Thompson targets, defrauds and attacks the men in her life before deciding to murder her husband.
World's Most Evil Killers
Serial killer Bob Berdella, aka the Kansas City Butcher, kidnaps, rapes, tortures, and murders at least six men between 1984 and 1987 in Kansas City, Mo., forcing his victims to endure periods of up to six weeks of captivity.
World's Most Evil Killers
One of the most prolific serial killers in Canadian history is dubbed "The Pig Farmer Killer" by the media.
World's Most Evil Killers
Westley Allan Dodd's escalating predation ended after he murdered three young boys.
World's Most Evil Killers
Lonnie David Franklin Jr. is better known by the nickname Grim Sleeper.
World's Most Evil Killers
Victor Farrant is a convicted rapist who murdered his former girlfriend in 1996.
World's Most Evil Killers
An investigation into the man known as the Babes in the Wood Killer.
Britain's Most Evil Killers
An examination of the life and crimes of Stephen Seddon, an individual who killed his parents for a legacy.
World's Most Evil Killers
Over a 25-year career of murder, Richard Biegenwald killed at least six people.
World's Most Evil Killers
American serial killer Richard Trenton Chase brutally murdered six people within one month.
Britain's Most Evil Killers
Arthur Hutchinson, a violent sexual predator and notorious murderer, breaks into a home and murders three family members.
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
The disturbing and horrifying case of Horst Kroener, a 53-year-old German man who was jailed in 2016 for brutally murdering his wife when she was asleep in their bed.
World's Most Evil Killers
In December 1998, The Railroad Killer, 38-year-old Angel Reséndiz brutally beat Dr. Claudia Benton to death in her own home; he's suspected of murdering at least nine more people; he evades authorities by using a multitude of aliases.
World's Most Evil Women
Amanda Taylor gains infamy for posing with the corpse of her father-in-law and a bloody knife.
World's Most Evil Women
For six months, Marcia Eubank lives alongside the remains of her husband whom she has callously murdered.
World's Most Evil Killers
Less than 20 minutes after dropping her children off at school, Rachel O'Reilly is murdered.
World's Most Evil Women
After her ex moves on, Brenda Delgado masterminds a murder-for-hire plot to end his new relationship.
World's Most Evil Women
Following a Texas man's sudden diabetic coma, the crimes of his wife Sarah Hartsfield are exposed.
World's Most Evil Killers
A career criminal who was convicted of one murder and suspected of two others, Charles Albright was notorious for keeping eyes as trophies.
World's Most Evil Women
Natalie Bennett embarks on years of coercively controlling her boyfriend before ending his life with murder.
World's Most Evil Women
Romance novelist Nancy Crampton-Brophy executes the plotline of her own essay "How to Murder Your Husband."
World's Most Evil Killers
Christopher Halliwell's found guilty of murdering two women.
Britain's Most Evil Killers
A chilling look at Stephen Griffiths, who in 2009 viciously murdered three women.
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
In April 1997, 27-year-old Rachel McGrath is stabbed to death by an unknown attacker in a car park.
World's Most Evil Killers
For 13 years, serial killer Jeffrey Dahmer raped, murdered and ate his young male victims; after his arrest, his apartment was searched and human skulls were found in his closet; he was killed by another inmate after serving two years in prison.
World's Most Evil Killers
William Bonin is known to some as the 'Freeway Killer,' thought to have raped, tortured and murdered a minimum of twenty-one boys and young men before he was executed in 1996.
Death Walker With Nick Groff
Nick tries to make contact with the spirit of a school janitor, John Moll, who is believed to have been murdered.
Killers: Caught on Camera
In the U.K., a young woman fails to come home after a mysterious date; her worried family desperately searches for her, only to discover a devious attempt at a cover-up; in the U.S., a young mother is found dead in a house fire.
Killers: Caught on Camera
In the US, a mysterious man buying yogurt is linked to a missing woman; his arrest leads to the discovery of four other women who have disappeared; a young student gets into a taxi after a night out and never makes it home.
Death Walker With Nick Groff
Nick Groff conducts a paranormal investigation and tries to make physical contact with the deceased patients of the hospital using a new piece of paranormal equipment that utilizes motion detecting lasers.
Killers: Caught on Camera
A 9-1-1 call captures the final moments of Collin Turner; CCTV helps reveal Mary Kay Wohlfarth's killer.
Killers: Caught on Camera
A mother is found shot in her car with no witnesses; a son kills his veteran father, claiming self-defense.
Death Walker With Nick Groff
Nick calls upon the spirit of Tall Shadow Man to figure why he haunts those who enter the Iron Island Museum.
Killers: Caught on Camera
A British woman is found dead after a date; a girl is killed to cover up an inappropriate relationship.
Killers: Caught on Camera
A British woman is found dead after a date; a girl is killed to cover up an inappropriate relationship.
Death Walker With Nick Groff
Nick investigates the 6th Precinct in Detroit and the House of Wills in Cleveland; both locations have a dark history of death and tragedy.
Meet, Marry, Murder
Micah Rine was a good Christian girl, and she thought her husband Thomas Pate was equally devoted to God; nothing could be further from the truth.
Meet, Marry, Murder
Wanting to get rid of the husband she hated, Faria Khan launched a murderous plot involving a group of wannabe rappers.
Death Walker With Nick Groff
Nick tries to determine if ghosts of priests who died seventy-four years ago are haunting the property today.
Meet, Marry, Murder
Claire and Andrew Tavener were a sociable couple; when Andrew got drunk, he became paranoid and violent.
Meet, Marry, Murder
Dallas Augustine had wealth, a wife she loved and a fledgling political career; drinking and violence caused it all to fall apart.
Women Behind Bars
Three women reveal how in a moment of passion, they were driven to commit murder.
Meet, Marry, Murder
Lois Riess was a gambling addict who would do anything to feed her habit; she even went on a killing-and-robbing spree across America.
Meet, Marry, Murder
Jessica Patel's husband Mitesh was not only abusive but also seeing men behind her back, plotting to be with the man he loved.
Women Behind Bars
Stacey Lannert, from St. Louis, is convicted of murdering her father; Charity White and her boyfriend become involved with a murder in a drug deal gone bad.
Meet, Marry, Murder
Keith Farquharson is a cop, an adulterer and a killer; when his wife Alice asks if he loves her, he responds with extreme violence.
Meet, Marry, Murder
Rhys Hancock couldn't accept that his wife Helen had found love with her new partner so he took his revenge.
Women Behind Bars
Amos with two co-defendants killed an escaped jailer in 1995; Valdes-Fuerte shot her husband after he set up a divorce.
Meet, Marry, Murder
Jessica Patel's husband Mitesh was not only abusive but also seeing men behind her back, plotting to be with the man he loved.
Death Walker With Nick Groff
Nick visits The Octagon Hall, a property built by the secret society known as the Freemasons; during the investigation, he witnesses what appears to be a UFO.
Killers: Caught on Camera
In the U.S., a woman goes missing with a large sum of money; assuming foul play, the police are running out of time to find her, until someone is caught lying on camera; in the U.K., the shocking murder of a woman in her own home sparks outrage.
Death Walker With Nick Groff
Nick visits The Octagon Hall, a property built by the secret society known as the Freemasons; during the investigation, he witnesses what appears to be a UFO.
Death Walker With Nick Groff
Nick revisits two iconic haunted locations that changed his outlook on the paranormal; Bobby Mackey's Music World and the Washoe Club.
Killers: Caught on Camera
A missing 15-year-old is found by cadaver dogs; a dismembered body in a suitcase must be identified.
Death Walker With Nick Groff
Nick revisits two iconic haunted locations that changed his outlook on the paranormal; Bobby Mackey's Music World and the Washoe Club.
Death Walker With Nick Groff
Nick visits the Sallie House in Atchison, Kansas; he taunts the entity known as Sallie to capture her on camera.
Killers: Caught on Camera
A double murder case ends in a confession; CCTV exposes a jealous former partner.
Death Walker With Nick Groff
Nick visits the Sallie House in Atchison, Kansas; he taunts the entity known as Sallie to capture her on camera.
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.
Women Behind Bars
Donna claims she committed her crime in self-defense after stabbing her boyfriend, Charles, 54 times.
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
Gary Vinter, in prison for double murder, stabs a fellow inmate in the eye and gives another brain damage.
Women Behind Bars
Rita Nitz is convicted and sentenced to life in prison for her participation in the murder of a local college student; Chanel Boyd is sentenced to 40 years in prison for the murder of her daughter.
World's Most Evil Prisoners
Edward Johnson was sent to prison for the brutal murder of a female friend, but the violence didn't end there.
World's Most Evil Prisoners
Joshua Gardner commits his first murder at 24; even behind bars, he can't contain his rage.
Women Behind Bars
Jealousy and addiction drove Emilia and Patricia to commit the bloody and violent murders that landed them on Death Row.
World's Most Evil Prisoners
Remorseless murderer Casey Pigge's main ambition is to be the ultimate serial killer.
Fatal First Dates
Dating apps connect four young men to a serial predator.
Britain's Most Evil Killers
An examination of the life and crimes of Stephen Seddon, an individual who killed his parents for a legacy.
Fatal First Dates
Dating apps connect four young men to a serial predator.
Fatal First Dates
A fake dating profile leads Michael Sandy into deadly danger.
Britain's Most Evil Killers
Charlotte vanishes before her birthday and Johnny feeds her family lies to hide the truth; the police slowly piece together her final days, uncovering that Johnny killed her while the search for her remains continued.
Fatal First Dates
A first date becomes part of a deadly criminal trap.
World's Most Evil Killers
Exploring a case highlighting the many dangers of online grooming; on 17 February 2014, fourteen-year-old Breck Bednar was lured to a London flat before being killed by a fellow teenager.
Britain's Most Evil Killers
Rapist Robert Napper sexually assaults and stabs Rachel Nickel nearly 50 times, and strikes again with another murder over a year later.
World's Most Evil Killers
The story of the Beltway sniper attacks; John Allen and his teenage accomplice carry out a brutal series of shootings that kill ten people.
World's Most Evil Killers
John Wayne Gacy murdered 33 boys and young men during a six-year period in the 1970s; he was well-liked in the community he lived in and would often dress up for kids' parties, earning himself the nickname Killer Clown.
Britain's Most Evil Killers
Andrew Dawson was given a second life sentence for the unprovoked murders of his two neighbors.
World's Most Evil Killers
Robert Lee Yates kills 13 prostitutes in Spokane, Wash., between 1996 and 1998 and later confesses to two other murders committed in 1975 and 1988.
World's Most Evil Killers
Randy Kraft, a well-spoken, well-respected computer expert...and a prolific serial killer.
World's Most Evil Killers
A profile of Karol Kot, also known as the Vampire of Krakow, who killed an 11-year-old boy and an 86-year-old woman, before attempting to kill more in prison.
World's Most Evil Killers
Four vicious murders put Mark Hobson at the center of a nationwide manhunt. Criminologists and psychologists try to decode this enigma.
World's Most Evil Killers
Dorothea Puente was a convicted serial killer who ran a boarding house in the 1980s; she cashed in the Social Security checks of the elderly and disabled boarders living in her house; many of them ended up dead and buried in the backyard.
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
Joachim Kroll murdered at least thirteen people during a span of over twenty years.
World's Most Evil Killers
A cold-blooded serial killer takes the lives of eleven people during a terrifying decade-long murder campaign.
World's Most Evil Killers
A cold-blooded serial killer takes the lives of eleven people during a terrifying decade-long murder campaign.
World's Most Evil Women
Amanda Taylor gains infamy for posing with the corpse of her father-in-law and a bloody knife.
World's Most Evil Women
After her ex moves on, Brenda Delgado masterminds a murder-for-hire plot to end his new relationship.
World's Most Evil Killers
An investigation into the man known as the Babes in the Wood Killer.
World's Most Evil Women
When a businessman vanishes, police are led to Pamela Moss, an unassuming woman with terrifying secrets.
World's Most Evil Women
Amanda Taylor gains infamy for posing with the corpse of her father-in-law and a bloody knife.
World's Most Evil Killers
A profile of Richard Roszkowski, the Connecticut triple-murderer who killed his ex-girlfriend, her nine-year-old daughter and another man in a brutal attack in 2006.
World's Most Evil Women
Dena Thompson targets, defrauds and attacks the men in her life before deciding to murder her husband.
World's Most Evil Women
Dena Thompson targets, defrauds and attacks the men in her life before deciding to murder her husband.
Britain's Most Evil Killers
The brutal murder and mutilation of a disabled man leads police to 21-year-old Anthony Arkwright, a habitual local criminal who committed four murders in a spree.
World's Most Evil Killers
In August 1990, Danny Rolling murders five college students in Gainesville, Fla., home of the University of Florida, and creates gruesome crime scenes that are designed to shock.
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
Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.
World's Most Evil Killers
Laura Al Shatanawi disappeared, and detectives uncovered the tragic truth behind her husband Hassan.
World's Most Evil Killers
William Bonin is known to some as the 'Freeway Killer,' thought to have raped, tortured and murdered a minimum of twenty-one boys and young men before he was executed in 1996.
World's Most Evil Killers
A look at serial killer Jack Unterweger.
Death Walker With Nick Groff
The Kendrick House is the oldest and only pre-Civil War building that remains standing in Jasper County, Missouri; Nick Groff investigates and sleeps on the surgical dining table in an attempt to make physical contact with the spirits.
Death Walker With Nick Groff
The owners of the Willis House Inn in Michigan call Nick to see if their inn is safe to open; Nick sleeps there to investigate how the entities will react.
Killers: Caught on Camera
A missing 15-year-old is found by cadaver dogs; a dismembered body in a suitcase must be identified.
Death Walker With Nick Groff
Nick tries to determine if the spirits of two infamous killers are responsible for haunting an abandoned jail.
Death Walker With Nick Groff
Nick tries to communicate with the ghosts of inmates to find out why their souls are trapped within this jail.
Killers: Caught on Camera
A murder in a garage is recorded on camera in the US; a woman is found stabbed 54 times in the UK.
Fatal First Dates
A grooming operation allows a predator to hide behind a false identity.
Fatal First Dates
A jealous former partner turns a new romance into tragedy.
Killers: Caught on Camera
CCTV reveals the final moments of a student: in the US. a double homicide leaves a trail of digital evidence.
Fatal First Dates
Investigators use CCTV footage to expose the truth behind Grace's disappearance.
Fatal First Dates
A long-distance romance escalates into fatal violence.
Meet, Marry, Murder
Kirstin Stephens seduced her co-worker Charlie and then spent all his cash; she started to plan for life after Charlie.
Women Behind Bars
Three women reveal how in a moment of passion, they were driven to commit murder.
Women Behind Bars
Shreves was convicted of the 1986 murder of Tony Martinez, her son-in-law; Latham pled guilty to kidnapping a baby from a maternity ward.
Meet, Marry, Murder
Aliny Godinho believed her estranged husband Ricardo would never harm her in front of their children, but she was wrong.
Women Behind Bars
A woman who shot her husband and tried to hide his body; a woman is accused of plotting her friend's murder.
Women Behind Bars
Amos with two co-defendants killed an escaped jailer in 1995; Valdes-Fuerte shot her husband after he set up a divorce.
Meet, Marry, Murder
Claire and Andrew Tavener were a sociable couple; when Andrew got drunk, he became paranoid and violent.
Women Behind Bars
A husband's murder results in a life sentence and a conspiracy killing.
Women Behind Bars
Donna claims she committed her crime in self-defense after stabbing her boyfriend, Charles, 54 times.
Meet, Marry, Murder
When a pair of high school sweethearts' flame begins to cool and infidelity enters their marriage, they call it quits; the husband cannot adjust and murders his estranged wife.
Women Behind Bars
In 1986, Rose Parker is convicted of the murder of Art Boga; Celeste Fox is charged with the first-degree murder of her grandmother and sentenced to 25 years in prison.
Women Behind Bars
Stacey Lannert, from St. Louis, is convicted of murdering her father; Charity White and her boyfriend become involved with a murder in a drug deal gone bad.
Death Walker With Nick Groff
In Ballinger, Texas, the Olde Park Hotel has a past shrouded in mystery; Nick investigates the haunted hotel for two days and two nights.
Killers: Caught on Camera
Cameras capture a calculated poisoning plot; a routine stop uncovers another killer.
Killers: Caught on Camera
In the U.S., a man desperately calls the police for help after he gets attacked; police work to crack the case using security footage and phone tracking; in the U.K., a dog lover is found murdered in her rural home.
Death Walker With Nick Groff
The Myrtles Plantation is shrouded in a controversial dark history.
Killers: Caught on Camera
In the United States, a five-year-old boy is found dead after going on a trip to Disneyland with his father; in the United Kingdom, a parking dispute escalates into a double murder.
Killers: Caught on Camera
In the US, recordings provide vital evidence to solve the death of a man's wife; in the UK, a feud leads to a house fire that kills four young children and their mother.
Death Walker With Nick Groff
Nick visits the McInteer Villa in Atchison, Kan.; he sleeps inside the room said to have the most paranormal activity to increase his chances of making contact.
Killers: Caught on Camera
A businesswoman is in a whirlwind romance, but her newfound joy is cut short when her family finds her murdered; a bizarre confession reveals a deluded mind behind her death; in Northampton, England, a man with multiple stab wounds is discovered.
Killers: Caught on Camera
A couple are found dismembered in their own home; a woman is found dead after being stalked by a stranger.
Death Walker With Nick Groff
Nick Groff will be the first person ever to conduct a paranormal investigation inside the Electromagnetic Sanatorium building that has witnessed the death of many people during its hundred years of being in operation.
Women Behind Bars
Amos with two co-defendants killed an escaped jailer in 1995; Valdes-Fuerte shot her husband after he set up a divorce.
World's Most Evil Prisoners
Feared Aryan Warriors gang leader 'Mugsy' Williams was a one-man crime wave - even behind bars.
Women Behind Bars
An ex-boyfriend stabbed more than thirty times resulted in Lori being sentenced 40 years to life in prison.
Women Behind Bars
Rita Nitz is convicted and sentenced to life in prison for her participation in the murder of a local college student; Chanel Boyd is sentenced to 40 years in prison for the murder of her daughter.
Women Behind Bars
Three women find themselves tangled in love triangles where the odd person out ends up murdered.
World's Most Evil Prisoners
After murdering a woman in the woods, Rocky Beamon brutally kills two fellow inmates behind bars.
Women Behind Bars
Deborah Rolle is sentenced to life in prison for the murder of her estranged husband; Gena Shaughnessy is found guilty of first-degree murder.
Women Behind Bars
Former law enforcement officer, Courtenay Savage, pled guilty to second-degree attempted murder; Lorri Worley stabs son-in-law to death.
World's Most Evil Prisoners
Nearing the end of a lengthy prison sentence, Curtis Watson does the unthinkable.
World's Most Evil Women
Romance novelist Nancy Crampton-Brophy executes the plotline of her own essay "How to Murder Your Husband."
World's Most Evil Women
Natalie Bennett embarks on years of coercively controlling her boyfriend before ending his life with murder.
World's Most Evil Killers
A profile of Richard Roszkowski, the Connecticut triple-murderer who killed his ex-girlfriend, her nine-year-old daughter and another man in a brutal attack in 2006.
World's Most Evil Women
Following a Texas man's sudden diabetic coma, the crimes of his wife Sarah Hartsfield are exposed.
World's Most Evil Women
Romance novelist Nancy Crampton-Brophy executes the plotline of her own essay "How to Murder Your Husband."
World's Most Evil Killers
Responsible for five murders, Joshua Wade avoided justice for years and later confessed to killings that started from when he was just fourteen.
Britain's Most Evil Killers
A chilling look at Stephen Griffiths, who in 2009 viciously murdered three women.
Britain's Most Evil Killers
29-year-old Dale Cregan goes on a ruthless killing spree and murders four people.
World's Most Evil Killers
Lonnie David Franklin Jr. is better known by the nickname Grim Sleeper.
World's Most Evil Killers
An investigation into the man known as the Babes in the Wood Killer.
World's Most Evil Killers
From November 1989 to November 1990, Aileen Wuornos kills at least six men in Florida.
World's Most Evil Killers
From November 1989 to November 1990, Aileen Wuornos kills at least six men in Florida.
World's Most Evil Killers
An in-depth look at murderer Ed Gein, who confessed to killing two women in the 1950s; Gein was found guilty but legally insane and was remanded to psychiatric institutions.
World's Most Evil Killers
In August 1990, Danny Rolling murders five college students in Gainesville, Fla., home of the University of Florida, and creates gruesome crime scenes that are designed to shock.
World's Most Evil Killers
For 13 years, serial killer Jeffrey Dahmer raped, murdered and ate his young male victims; after his arrest, his apartment was searched and human skulls were found in his closet; he was killed by another inmate after serving two years in prison.
World's Most Evil Killers
Serial killer Bob Berdella, aka the Kansas City Butcher, kidnaps, rapes, tortures, and murders at least six men between 1984 and 1987 in Kansas City, Mo., forcing his victims to endure periods of up to six weeks of captivity.
World's Most Evil Killers
Scottish serial killer Robert Black attacked four young girls between 1981 and 1986; he was sentenced to life imprisonment at HMP Maghaberry with a minimum sentence of 35 years and was linked to 13 other child murders.
Britain's Most Evil Killers
A horrific serial killer, Harold Shipman was a trusted doctor who murdered at least 215 people, but was found guilty of the murder of 15.
World's Most Evil Women
Amanda Taylor gains infamy for posing with the corpse of her father-in-law and a bloody knife.
World's Most Evil Killers
An in-depth look at murderer Ed Gein, who confessed to killing two women in the 1950s; Gein was found guilty but legally insane and was remanded to psychiatric institutions.
World's Most Evil Women
Following a Texas man's sudden diabetic coma, the crimes of his wife Sarah Hartsfield are exposed.
World's Most Evil Women
Dena Thompson targets, defrauds and attacks the men in her life before deciding to murder her husband.
World's Most Evil Killers
In 1987, American serial killer Daniel Siebert is given two death sentences for killing vulnerable people across America.
World's Most Evil Women
Romance novelist Nancy Crampton-Brophy executes the plotline of her own essay "How to Murder Your Husband."
World's Most Evil Women
Natalie Bennett embarks on years of coercively controlling her boyfriend before ending his life with murder.
World's Most Evil Killers
Dublin man Eric Locke refuses to accept it when Sonia Blount, a mother of one, ends their relationship.
World's Most Evil Women
Jennifer Faith fabricates a life of abuse to convince a veteran to murder her husband in broad daylight.
Britain's Most Evil Killers
Teen Mhairi is killed on her walk home after a festive night; investigators trace her last steps, using CCTV and forensics that point to Gavin, a violent repeat offender whose history reveals how dangerous he truly is.
World's Most Evil Killers
Angus Sinclair, the only living person to stand trial for Edinburgh's World's End Murders, was acquitted in 2007 in controversial circumstances.
World's Most Evil Killers
A profile into the murderer who terrorized the gay community as the 'Trash Bag Killer' and confessed to killing 32 victims.
World's Most Evil Killers
Keith Jesperson, known as the Happy Face Killer, brutally killed at least eight women across five American states in the early 1990s.
World's Most Evil Killers
In the late 1980s, Bill Suff, aka the Riverside Prostitute Killer, is a model employee during the day, but, by night, he is a monster who lures sex workers into his van, where he stabs, strangles and mutilates them before dumping their bodies.
World's Most Evil Killers
The Baton Rouge Serial Killer, known for murdering seven women is sentenced to death for his chilling crimes.
Killers: Caught on Camera
Cameras capture a calculated poisoning plot; a routine stop uncovers another killer.
Death Walker With Nick Groff
Nick Groff spends two days in Hallettsville, Texas' haunted location called the "Old Lavaca Jail."
Killers: Caught on Camera
Two women are killed, and all evidence suggests their husbands are involved with their untimely deaths.
Death Walker With Nick Groff
Nick sets out to investigate the Haunted Hill House in Mineral Wells, Texas, a sinister location where hundreds of people have left with mysterious bite marks.
Killers: Caught on Camera
A missing 15-year-old is found by cadaver dogs; a dismembered body in a suitcase must be identified.
Killers: Caught on Camera
A killer records himself tampering with the weapon; phone data exposes betrayal.
Death Walker With Nick Groff
Nick revisits two iconic haunted locations that changed his outlook on the paranormal; Bobby Mackey's Music World and the Washoe Club.
Killers: Caught on Camera
In the U.S., a woman goes missing with a large sum of money; assuming foul play, the police are running out of time to find her, until someone is caught lying on camera; in the U.K., the shocking murder of a woman in her own home sparks outrage.
Killers: Caught on Camera
In the U.S., a woman goes missing with a large sum of money; assuming foul play, the police are running out of time to find her, until someone is caught lying on camera; in the U.K., the shocking murder of a woman in her own home sparks outrage.
Death Walker With Nick Groff
The Kendrick House is the oldest and only pre-Civil War building that remains standing in Jasper County, Missouri; Nick Groff investigates and sleeps on the surgical dining table in an attempt to make physical contact with the spirits.
Meet, Marry, Murder
When a pair of high school sweethearts' flame begins to cool and infidelity enters their marriage, they call it quits; the husband cannot adjust and murders his estranged wife.
Meet, Marry, Murder
Steven McDowell refused to accept that his marriage to Crystal was over; when she disappeared during a hurricane, efforts to uncover foul play were hampered.
Death Walker With Nick Groff
Nick investigates the 6th Precinct in Detroit and the House of Wills in Cleveland; both locations have a dark history of death and tragedy.
Meet, Marry, Murder
On the day of their anniversary a man decides to go fishing but never makes it back home to his wife.
Meet, Marry, Murder
A deadly vow gets made on their wedding day between husband and wife, when they promise each other that if they ever cheat on one another that they can murder the lover.
Meet, Marry, Murder
Andrew Parsons tried to deny what he'd done to his estranged wife Jane even when the cops discovered that it was all on tape.
Women Behind Bars
In 2004, Cindy Countess is found guilty of her mother's murder and sentenced to 30 years in prison; in 2002, Jennifer Blake is found guilty of suffocating and strangling her mother with the aid of her boyfriend.
Meet, Marry, Murder
After Sophie Cavanagh leaves her husband Martin, he does everything he can to continue spending time with her and to stop her from meeting another man.
Meet, Marry, Murder
George Young gave his friend Tim Lee a job and a place to stay; Tim and George's wife Tia repaid him with betrayal.
Women Behind Bars
Jackie Alexander is sentenced to life in prison without the possibility of parole for the murder of her roommate; Heather Frango is charged with murder after the death of her son, Jonathan.
Meet, Marry, Murder
Mark Arthur wanted to control his wife Heather's every move, even tracking her phone; when she met another man, he lost control.
Meet, Marry, Murder
Just weeks into their marriage, debt-ridden Uloma Curry-Walker was plotting how to get her hands on her husband William's cash.
Women Behind Bars
Shreves was convicted of the 1986 murder of Tony Martinez, her son-in-law; Latham pled guilty to kidnapping a baby from a maternity ward.
Meet, Marry, Murder
Harry Jarvis went to great lengths to be with his lover Rita Heyster at the expense of his loving wife Carole.
Death Walker With Nick Groff
Nick goes to the Broken Bow Asylum in Oklahoma; he attempts to interact with an aggressive spirit who torments those who dare enter.
Killers: Caught on Camera
In the US, a mysterious man buying yogurt is linked to a missing woman; his arrest leads to the discovery of four other women who have disappeared; a young student gets into a taxi after a night out and never makes it home.
Death Walker With Nick Groff
Nick sets out to investigate the Haunted Hill House in Mineral Wells, Texas, a sinister location where hundreds of people have left with mysterious bite marks.
Death Walker With Nick Groff
A hospital located in the northeastern region of the United States was founded some time ago; Nick has gained exclusive access to be the first one ever to conduct a paranormal investigation within this abandoned hospital.
Killers: Caught on Camera
A camera hidden in a bag of chocolates solves a murder; a gloating social media post entraps a killer.
Death Walker With Nick Groff
A hospital located in the northeastern region of the United States was founded some time ago; Nick has gained exclusive access to be the first one ever to conduct a paranormal investigation within this abandoned hospital.
Death Walker With Nick Groff
The Kendrick House is the oldest and only pre-Civil War building that remains standing in Jasper County, Missouri; Nick Groff investigates and sleeps on the surgical dining table in an attempt to make physical contact with the spirits.
Killers: Caught on Camera
Surveillance footage plays a central role in tracking down the killers in two murder cases.
Death Walker With Nick Groff
The Kendrick House is the oldest and only pre-Civil War building that remains standing in Jasper County, Missouri; Nick Groff investigates and sleeps on the surgical dining table in an attempt to make physical contact with the spirits.
World's Most Evil Prisoners
James Robertson is one of the most feared men in the US prison system; he murdered his cellmate, attacked a prison employee and doesn't hold back from getting what he wants.
World's Most Evil Prisoners
Craig Bjork, who killed two women and both of his children, remains a dangerous threat -even behind bars.
Women Behind Bars
How greed and passion led three women to betray the men they love.
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
At 18, Christa Pike commits a brutal murder and becomes one of the youngest ever women sent to death row.
Women Behind Bars
Deborah Rolle is sentenced to life in prison for the murder of her estranged husband; Gena Shaughnessy is found guilty of first-degree murder.
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 Prisoners
While on trial for rape, 33-year-old Brian Nichols goes on a violent rampage that results in three murders.
Women Behind Bars
Three women find themselves tangled in love triangles where the odd person out ends up murdered.
Fatal First Dates
Investigators use CCTV footage to expose the truth behind Grace's disappearance.
Fatal First Dates
A teenager's online romance ends in tragedy.
World's Most Evil Killers
Westley Allan Dodd's escalating predation ended after he murdered three young boys.
Fatal First Dates
A grooming operation allows a predator to hide behind a false identity.
Fatal First Dates
A jealous former partner turns a new romance into tragedy.
World's Most Evil Killers
A look at Gary Ridgway, also known as the Green River Killer, and his reign of mass murder across the Pacific Northwest for almost 20 years.