Investigation Discovery

To grandparents Ron and Kay Wilkson, family comes first. But in 2016, something evil is prowling close to home, and not everyone will make it out alive.

A Russian family are brutally murdered in a Silicon Valley home, a co-developer of the video game Tetris among them. But the lack of evidence confounds police.

In the fall of 2019, a boy and his stepsister go missing. Grandparents Larry and Kay Woodcock desperately try to find out what happened to them and why.

When a beloved former athlete turns up dead in Osmun Lake, investigators uncover secrets, shifting alibis, and jealousy. Who wanted him gone - and why did his life end in the water?

When Beverly Thompson is found bludgeoned to death in her own home, no one suspects her family. Detectives are puzzled, until CCTV footage reveals someone is lying.

John profiles Luis Montes, accused of murdering his on-again-off-again girlfriend. Callahan shines a light on two victims of gun violence in Chicago.

As the case unfolds, critical investigative mistakes are made - but potential suspects are introduced, including a Santa impersonator and a known sex offender.

Over 30 years ago, a dangerous serial killer roamed the streets of a tropical paradise. Who was behind the savage murders of five young women?

In 2000, Ray Jennings was convicted of killing 18-year-old Michelle O'Keefe in a parking lot. But 11 years later, he's declared innocent. Who is guilty?

In the 1960s, Rodney Alcala assaulted Morgan Rowan. 50 years later, Morgan learns she is not the only survivor of his attacks.

Hunters discover the body of a female naval veteran in a rural campground. Can police find the evidence needed to unravel her complicated murder?

Drugs, disease and scandals when Hollywood superstar Brittany Murphy dies at age 32, the world is stunned. Many believe foul play must be involved. Brittany's father searches for answers as lurid allegations against other family members ...

In 2007, when first responders subdue a devastating house fire in Dallas Township, Pennsylvania, investigators discover the nearly decapitated body of a pornographic film director.

When a badly burnt body is discovered in a house fire, police are unsure if it was arson or an accident. An investigation reveals the shocking truth.

Just outside Las Vegas, Stefan Wilhelmy's "Pearadise" promises plus-size women body positivity and sisterhood. As photojournalist Emily Kask documents life inside, allegations of sexual assault and cult behavior emerge - sisterhood comes...

Police find four victims in the smouldering wreckage of an Oklahoma City house fire - and one of the victims starred in the hit TV series "Cathouse."

When kidnappers snatch the heir to a multi-million-dollar empire for ransom, the FBI races to get him back. An innocuous piece of surveillance footage reveals a far more sinister plot orchestrated by someone inside the family business.

Alene and George Jenkins are the perfect couple living a perfect life. But when they adopt two children, it triggers a dark spiral ending in an unspeakable crime.

Family, friends and investigators recount the most provocative crimes ever committed by the unlikeliest of pairs: sisters. How and why do they descend into darkness?

Just outside Las Vegas, Stefan Wilhelmy's "Pearadise" promises plus-size women body positivity and sisterhood. As photojournalist Emily Kask documents life inside, allegations of sexual assault and cult behavior emerge - sisterhood comes...

Police find four victims in the smouldering wreckage of an Oklahoma City house fire - and one of the victims starred in the hit TV series "Cathouse."

A Russian family are brutally murdered in a Silicon Valley home, a co-developer of the video game Tetris among them. But the lack of evidence confounds police.

In the fall of 2019, a boy and his stepsister go missing. Grandparents Larry and Kay Woodcock desperately try to find out what happened to them and why.

An entire state's justice system comes under fire after a woman is found brutally murdered.

John profiles Luis Montes, accused of murdering his on-again-off-again girlfriend. Callahan shines a light on two victims of gun violence in Chicago.

In 1999, a killer brutally murders Dennis Dolinger in the basement of his home. With DNA technology, the race is on to find the culprit before they strike again.

In the 1960s, Rodney Alcala assaulted Morgan Rowan. 50 years later, Morgan learns she is not the only survivor of his attacks.

When a beloved former athlete turns up dead in Osmun Lake, investigators uncover secrets, shifting alibis, and jealousy. Who wanted him gone - and why did his life end in the water?

Alene and George Jenkins are the perfect couple living a perfect life. But when they adopt two children, it triggers a dark spiral ending in an unspeakable crime.

A lonely widow in rural Pennsylvania finds an unconventional way to cope with loss, and her small town keeps her unusual secret for over a decade.

In 2006, a local academic writing a book on JonBenet gets a series of messages from a man called 'Daxis', who has a dark obsession with the case - but why?

Georgia neighbours Kay and Becky are inseparable, working and raising their kids together. But closeness leads to trouble when scandal and murder rock their town.

In the 1970's, Anneka Di Lorenzo found fame as a successful model in Penthouse Magazine. However, from that point, her life unravelled with tragic consequences.

When kidnappers snatch the heir to a multi-million-dollar empire for ransom, the FBI races to get him back. An innocuous piece of surveillance footage reveals a far more sinister plot orchestrated by someone inside the family business.

Just outside Las Vegas, Stefan Wilhelmy's "Pearadise" promises plus-size women body positivity and sisterhood. As photojournalist Emily Kask documents life inside, allegations of sexual assault and cult behavior emerge - sisterhood comes...

Police find four victims in the smouldering wreckage of an Oklahoma City house fire - and one of the victims starred in the hit TV series "Cathouse."

Chrissy and her girlfriend, Bria, are huge YouTube stars. Then Chrissy's old flame - a man - starts a devastating revenge porn campaign.

Philadelphia police officers find four adults locked in a basement dungeon. The investigation leads across four states, resulting in multiple arrests.

A skeleton is discovered on the edge of a high school football field, during a game of catch. It takes a forensic sculptor, tireless detective work, and some luck, to finally bring the mysterious killer to justice.

A recently divorced woman meets a kind, caring, and nurturing father. Despite her reservations against getting into a new relationship, she falls in love. However, she doesn't see what everyone else around her sees - that he is a killer.

Myrle Miller appears to be a sweet, loving grandmother, but beneath the facade lurks a woman driven by selfishness and greed. Today, even her own daughter, Rebecca, is haunted by the fact that her mom was a black widow in disguise.

Tricia and Galen Westfall appear to be the perfect couple. However, the reality is that Galen is jealous and controlling. When investigators find two bodies in a car crash, they uncover the grizzly truth about a deadly relationship.

In the 1960s, Rodney Alcala assaulted Morgan Rowan. 50 years later, Morgan learns she is not the only survivor of his attacks.

On New Year's Eve, Brent Cotta's popular wife, Cassie, mysteriously vanishes. The discovery of a shallow grave leads to the emergence of a horrific truth.

Two adopted sisters, Elena and Christina Rendell, from Florida are inseparable until the social pressures of high school and intense bullying leads to murder.

Georgia neighbours Kay and Becky are inseparable, working and raising their kids together. But closeness leads to trouble when scandal and murder rock their town.

Philadelphia police officers find four adults locked in a basement dungeon. The investigation leads across four states, resulting in multiple arrests.

In the 1970's, Anneka Di Lorenzo found fame as a successful model in Penthouse Magazine. However, from that point, her life unravelled with tragic consequences.

Chrissy and her girlfriend, Bria, are huge YouTube stars. Then Chrissy's old flame - a man - starts a devastating revenge porn campaign.

In 2006, a local academic writing a book on JonBenet gets a series of messages from a man called 'Daxis', who has a dark obsession with the case - but why?

A skeleton is discovered on the edge of a high school football field, during a game of catch. It takes a forensic sculptor, tireless detective work, and some luck, to finally bring the mysterious killer to justice.

Philadelphia police officers find four adults locked in a basement dungeon. The investigation leads across four states, resulting in multiple arrests.

Myrle Miller appears to be a sweet, loving grandmother, but beneath the facade lurks a woman driven by selfishness and greed. Today, even her own daughter, Rebecca, is haunted by the fact that her mom was a black widow in disguise.

Tricia and Galen Westfall appear to be the perfect couple. However, the reality is that Galen is jealous and controlling. When investigators find two bodies in a car crash, they uncover the grizzly truth about a deadly relationship.

On New Year's Eve, Brent Cotta's popular wife, Cassie, mysteriously vanishes. The discovery of a shallow grave leads to the emergence of a horrific truth.

When a badly burnt body is discovered in a house fire, police are unsure if it was arson or an accident. An investigation reveals the shocking truth.

A team of investigators re-examine the O.J. Simpson case. They inspect a knife that could be the murder weapon and sit down with Fred Goldman and Tanya Brown to get their personal insights into what they believe happened that day.

Sarah is dating a young, handsome pastor but soon discovers her preacher man is hiding unholy secrets on a biblical scale. He is prepared to silence Sarah and her whole family to stop her leaving him.

After a secret photo shoot in the Angeles National Forest, young model Kim Pandelios is never heard from again. Twelve years later, the truth finally comes to light.

A lonely widow in rural Pennsylvania finds an unconventional way to cope with loss, and her small town keeps her unusual secret for over a decade.

A Russian family are brutally murdered in a Silicon Valley home, a co-developer of the video game Tetris among them. But the lack of evidence confounds police.

In the fall of 2019, a boy and his stepsister go missing. Grandparents Larry and Kay Woodcock desperately try to find out what happened to them and why.

A man uses the internet to call and text female realtors in 20 different states. Wielding their social media against them, he makes them believe he's lurking nearby.

When friends find Brad McGarry shot dead in the basement of his Ohio home, evidence suggests a robbery but soon a more complicated motive emerges.

A beloved Chester, Pennsylvania, police detective is assassinated on a city street.

In the 1960s, Rodney Alcala assaulted Morgan Rowan. 50 years later, Morgan learns she is not the only survivor of his attacks.

In 1981, two men rape and shoot a young mother, forcing her fiance to watch it all. It will take two decades before justice prevails over the men.

Police watch the video of a woman closing up after her shift at a gas station. One moment, she is there and then she is gone, never to be seen again.

Christina Fontana shifts her focus to a new lead, the head of an organized crime group who may hold the key to Christina Whittaker's whereabouts, but when a rogue search turns up possible evidence, Fontana isn't sure who to trust.

The murder of Beth Spaulding in April 2012. Her husband James used an overdose of methadone and her death was not considered suspicious until toxicology tests were performed.

Popular cheerleader, Charity, appears to be a typical teen to the outside world. But her family believe she is possessed by a demon and they want to remove it.

Sarah is dating a young, handsome pastor but soon discovers her preacher man is hiding unholy secrets on a biblical scale. He is prepared to silence Sarah and her whole family to stop her leaving him.

When friends find Brad McGarry shot dead in the basement of his Ohio home, evidence suggests a robbery but soon a more complicated motive emerges.

After a secret photo shoot in the Angeles National Forest, young model Kim Pandelios is never heard from again. Twelve years later, the truth finally comes to light.

A man uses the internet to call and text female realtors in 20 different states. Wielding their social media against them, he makes them believe he's lurking nearby.

A team of investigators re-examine the O.J. Simpson case. They inspect a knife that could be the murder weapon and sit down with Fred Goldman and Tanya Brown to get their personal insights into what they believe happened that day.

A beloved Chester, Pennsylvania, police detective is assassinated on a city street.

When friends find Brad McGarry shot dead in the basement of his Ohio home, evidence suggests a robbery but soon a more complicated motive emerges.

Just outside Las Vegas, Stefan Wilhelmy's "Pearadise" promises plus-size women body positivity and sisterhood. As photojournalist Emily Kask documents life inside, allegations of sexual assault and cult behavior emerge - sisterhood comes...

Police find four victims in the smouldering wreckage of an Oklahoma City house fire - and one of the victims starred in the hit TV series "Cathouse."

The murder of Beth Spaulding in April 2012. Her husband James used an overdose of methadone and her death was not considered suspicious until toxicology tests were performed.

In 1981, two men rape and shoot a young mother, forcing her fiance to watch it all. It will take two decades before justice prevails over the men.

After examining evidence both old and new, the team questions O.J.'s role in the murder. Dr. Henry Lee, a forensics expert from the original investigation, gives his insight.

Single mother Sarah moves to Vegas and quickly lands a job at a local gas station. When her colleague is raped and murdered, violent messages start coming her way.

A female boxer enters a forbidden relationship with her trainer. When another secret passion bubbles to the surface, she finds herself fighting for her life.

Myrle Miller appears to be a sweet, loving grandmother, but beneath the facade lurks a woman driven by selfishness and greed. Today, even her own daughter, Rebecca, is haunted by the fact that her mom was a black widow in disguise.

In 1981, two men rape and shoot a young mother, forcing her fiance to watch it all. It will take two decades before justice prevails over the men.

Police watch the video of a woman closing up after her shift at a gas station. One moment, she is there and then she is gone, never to be seen again.

A teenager uses an app to find others interested in gaming. He strikes up an online friendship with a seemingly vulnerable man, but instead meets his worst enemy.

Police unlock a missing Michigan man's cell phone to discover clues to his whereabouts and find him hanging in a basement dungeon.

More than twenty years after two women are similarly raped and strangled in North Philadelphia, DNA technology breakthroughs renew hope that the results could finally lead detectives to a brutal killer on the loose.

A lonely widow in rural Pennsylvania finds an unconventional way to cope with loss, and her small town keeps her unusual secret for over a decade.

John and Callahan hunt down accused killer John Galvao-Sahb, and Dublas Gonzalez, an alleged perpetrator of a twisted case of child sexual abuse.

Chicago police unexpectedly find themselves solving a 35-year-old homicide.

Myrle Miller appears to be a sweet, loving grandmother, but beneath the facade lurks a woman driven by selfishness and greed. Today, even her own daughter, Rebecca, is haunted by the fact that her mom was a black widow in disguise.

April and Michael Holton live a perfect life, until a shocking murder exposes a dark secret. In a 2-

Twin sisters spend their entire lives together in the same house, until one day their abusive violence towards each other goes too far.

Single mother Sarah moves to Vegas and quickly lands a job at a local gas station. When her colleague is raped and murdered, violent messages start coming her way.

Police unlock a missing Michigan man's cell phone to discover clues to his whereabouts and find him hanging in a basement dungeon.

A female boxer enters a forbidden relationship with her trainer. When another secret passion bubbles to the surface, she finds herself fighting for her life.

A teenager uses an app to find others interested in gaming. He strikes up an online friendship with a seemingly vulnerable man, but instead meets his worst enemy.

After examining evidence both old and new, the team questions O.J.'s role in the murder. Dr. Henry Lee, a forensics expert from the original investigation, gives his insight.

More than twenty years after two women are similarly raped and strangled in North Philadelphia, DNA technology breakthroughs renew hope that the results could finally lead detectives to a brutal killer on the loose.

Police unlock a missing Michigan man's cell phone to discover clues to his whereabouts and find him hanging in a basement dungeon.

When a beloved former athlete turns up dead in Osmun Lake, investigators uncover secrets, shifting alibis, and jealousy. Who wanted him gone - and why did his life end in the water?

An early shift worker at a gas station comes face to face with a naked man intent on destruction. A nude man claims there is a bomb at an airport.

Its haywire on the highway as a news crew gets the scoop of a lifetime, a prowler in Arizona with a puzzling agenda, a precarious rooftop standoff caught on camera, and a shameless lurker haunts a busy strip.

April and Michael Holton live a perfect life, until a shocking murder exposes a dark secret. In a 2-

Chicago police unexpectedly find themselves solving a 35-year-old homicide.

The team takes a closer look at private investigator Bill Dear's person of interest in the murders of Nicole Brown Simpson and Ronald Goldman - and his checkered past.

While 18-year-old Jennifer is recovering from a brain tumour, she's visited by a member of her congregation, reformed ex-con Bill. But her gratitude soon turns to fear as it becomes obvious Bill wants to keep Jennifer as his own - forever.

A married man embarks on a forbidden relationship with his 14-year-old babysitter. When his wife finds out, he will stop at nothing to keep his affair secret from the police.

John and Callahan hunt down accused killer John Galvao-Sahb, and Dublas Gonzalez, an alleged perpetrator of a twisted case of child sexual abuse.

In 1981, two men rape and shoot a young mother, forcing her fiance to watch it all. It will take two decades before justice prevails over the men.

When kidnappers snatch the heir to a multi-million-dollar empire for ransom, the FBI races to get him back. An innocuous piece of surveillance footage reveals a far more sinister plot orchestrated by someone inside the family business.

CeCe bonds with a man she meets on a dating app. He soon asks her for money for his business, and she happily obliges - and becomes another victim of a romance scam.

A routine traffic stop leads to a deadly discovery in a suburban home in Massachusetts, and officers realise they've apprehended a serial killer.

In 2005, a pregnant mother goes missing in Philadelphia. Detectives stumble on a love-triangle that may explain the secrets behind her death.

In 1981, two men rape and shoot a young mother, forcing her fiance to watch it all. It will take two decades before justice prevails over the men.

When a pregnant mother surfaces in the Hudson River, NYPD suspects foul play. As they dig deeper, they uncover a killer who's closer than they think.