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A date at a high school Valentine's dance turns into a night of terror when a beautiful teenager is abducted from her boyfriend's arms at gunpoint.

When aspiring influencer Gabby Petito vanishes on a road trip with her fiancé, the mystery goes viral. New footage sheds light on her final days.

When a man claims he is responsible for the deaths of two teenagers while defending his home, detectives must determine the truth from madness.

A 911 operator receives a distressing call from a troubled culinary student after he murders his classmate's family in their sleep.

In rural Missouri, police respond to a haunting call from a 50-year-old man. Detectives face an impulsive massacre and a controlling killer.

When Genie's husband forces her into a polygamous relationship, she plays along. But the consequences of letting him have his way may be worse.

Years after Terry Patzer escaped her ex-husband Russell, police discover his house of horrors, bringing back nine years of horrific memories.

I Have a Surprise for You. A woman arrives at her parents' house to find them bleeding on the floor. Police uncover the shocking truth and confront a cunning teenage psychopath.

When a former escort hires a hitman to kill her husband, she thinks she's committed the perfect crime. Little does she know police are recording her every move.

A charming 20-year-old asks to help authorities with a murder investigation. He claims to have met one of the three victims, but detectives suspect otherwise.

In Colorado, a missing woman's roommate claims she'll do anything to help find her. Investigators fear they may have a rare female psychopath on their hands.

When doting mother, Cheryl Coker, vanishes from Riverside, Ohio, search efforts come up empty. Police uncover disturbing information and a web of secrets.

In 1970s Detroit, a murder rocks an African-American neighbourhood. Police think they've got the killers - but it will take 47 years for the truth to emerge.

A teenager who isn't allowed to date falls in love with a senior at school. They go to extreme lengths to be together and it ends in disaster.

A home health care nurse falls in love with her married patient. But once the nature of their relationship gets out, it ends in tragedy.

A man becomes fixated on his co-worker, believing they should be married. The problem is, she's already married - to a jealous husband.

A beautiful young woman moves to the US for a new opportunity, but within weeks she vanishes without a trace. Kidnapping survivor, Elizabeth Smart, joins in the search.

In Ohio, college junior Emily Murray goes missing one night after quitting her job at a bar. A month later, someone finds her body in a remote trailer.

When Frank Hilley is struck down by a mysterious sickness, the town of Anniston grieves. But suspicions arise after his daughter also falls seriously ill.

After taping their TV show in rural Vermont, Chrissy and Charlie Billis have a terrible car accident. Only one survives. Do tapes offer a clue to what happened.

21-year-old Kortne Stouffer vanishes from her bed one night after rowing with neighbours and friends. Investigators pursue various leads, but she cannot be found.

When someone stabs Trina Langenbrunner and leaves her on a road in Minnesota, her community and law enforcement work together for over 12 years to find her killer.

A shooting in a luxury building sends shockwaves through an upscale neighbourhood. Detectives uncover a list of suspects and a plot born out of economic envy.

Workouts turn a group of fitness fanatics into bitter rivals. As the competition heats up, it's not just buff bodies and tight abs on the line.

An unthinkable crime cuts short a family man's quest for a better life in Florida. To find the culprit, detectives must unravel a deadly web of deception.

A religious community mourns an elderly couple when they are murdered in their home. Investigators uncover a web of lies and wicked desires.

When a vulnerable young woman disappears from a remote Scottish village, a 16-year-old story of abuse, fraud and murder emerges. Experts reveal the hidden clues.

It's A Manses World. Desperate to escape her controlling adoptive parents, Natalia turns to Vince and Nicole DePaul, her last hope for freedom.

The Rescue. Natalia escapes her controlling parents, but she must face a dark past of lies and alleged abuse, uncertain if freedom is truly within reach.

In 2002 a 12-year-old girl from Oregon City goes missing on her way to school. The police investigation finds no leads and then, a second girl disappears.

A celebratory night turns deadly for the Whitaker family when they are gunned down. When a conspiracy is revealed, it tests one man's ability to forgive.

A shooting in a luxury building sends shockwaves through an upscale neighbourhood. Detectives uncover a list of suspects and a plot born out of economic envy.

Workouts turn a group of fitness fanatics into bitter rivals. As the competition heats up, it's not just buff bodies and tight abs on the line.

An unthinkable crime cuts short a family man's quest for a better life in Florida. To find the culprit, detectives must unravel a deadly web of deception.

A religious community mourns an elderly couple when they are murdered in their home. Investigators uncover a web of lies and wicked desires.

Workouts turn a group of fitness fanatics into bitter rivals. As the competition heats up, it's not just buff bodies and tight abs on the line.

When Frank Hilley is struck down by a mysterious sickness, the town of Anniston grieves. But suspicions arise after his daughter also falls seriously ill.

After taping their TV show in rural Vermont, Chrissy and Charlie Billis have a terrible car accident. Only one survives. Do tapes offer a clue to what happened.

21-year-old Kortne Stouffer vanishes from her bed one night after rowing with neighbours and friends. Investigators pursue various leads, but she cannot be found.

When someone stabs Trina Langenbrunner and leaves her on a road in Minnesota, her community and law enforcement work together for over 12 years to find her killer.

In Colorado, the idyllic life of spouses Harold and Toni Henthorn is shattered by a deadly hiking accident. But their happy home videos conceal a deadly predator.

After moving to a remote Colorado town, Ron and Cynthia Phillips and their kids struggle to adjust. But their home videos mask darker impulses that lead to murder.

20-year-old Bear Diaz has diabetes, so when he vanishes one night with his belongings, investigators are suspicious. Is it linked to another disappearance.

After James Skinner turns up dead in his own bedroom, the community of Brownstown enters a paranoid spiral, unsure who killed this beloved local rodeo rider.

After combatting a raging fire in a SUV, firefighters discover the charred remains of a beloved local man who was reported missing just hours earlier.

When an Air Force veteran disappears, Investigators think it's a straightforward missing persons case. But the case quickly morphs into a puzzle of fraud and murder.

For a group of resort employees, the isolated mountain where they work is anything but paradise when one of them goes missing. Is there a killer amongst them.

Fun-loving co-workers at a restaurant appear to be the best of friends - until one of their own is found dead on a soccer field at the edge of town.

A frantic student calls 911 to say she shot her boyfriend in self-defence. Police soon discover they are face-to-face with a remorseless psychopath.

Pastor Schirmer is a local celebrity beloved by his community. However, as investigators examine the deaths of his previous wives, a monster emerges.

The team create an of-age persona to get more information out of an adult who's been contacting Flori. A shocking discovery leaves the team feeling blindsided.

When Merry Jackson tries to help her daughter, Lori, break free from her abusive boyfriend, both their lives end up in grave danger.

When a mechanic falls ill, his 12-year-old son LJ Bobish wonders how they will cope financially. Secret meetings in the family's garage lead to a fatal visit.

After combatting a raging fire in a SUV, firefighters discover the charred remains of a beloved local man who was reported missing just hours earlier.

When an Air Force veteran disappears, Investigators think it's a straightforward missing persons case. But the case quickly morphs into a puzzle of fraud and murder.

For a group of resort employees, the isolated mountain where they work is anything but paradise when one of them goes missing. Is there a killer amongst them.

Fun-loving co-workers at a restaurant appear to be the best of friends - until one of their own is found dead on a soccer field at the edge of town.

When an Air Force veteran disappears, Investigators think it's a straightforward missing persons case. But the case quickly morphs into a puzzle of fraud and murder.

In Colorado, the idyllic life of spouses Harold and Toni Henthorn is shattered by a deadly hiking accident. But their happy home videos conceal a deadly predator.

After moving to a remote Colorado town, Ron and Cynthia Phillips and their kids struggle to adjust. But their home videos mask darker impulses that lead to murder.

20-year-old Bear Diaz has diabetes, so when he vanishes one night with his belongings, investigators are suspicious. Is it linked to another disappearance.

After James Skinner turns up dead in his own bedroom, the community of Brownstown enters a paranoid spiral, unsure who killed this beloved local rodeo rider.

In Albuquerque, Mike Snyder starts a family with his partner, capturing it on home video. But after being diagnosed with a serious illness, he vanishes.

US Air Force sergeant Nathan Paet and his family appear to live a blissfully normal life - until a horrific attack leads to their destruction.

When 15-year-old Kayla Berg isn't home after a night out, her loved ones think she's staying with friends. After six days, her last known location raises suspicion.

When law enforcement finds James Nibbe dead after a home invasion, they must dig beneath the surface of Lake Crystal, Minnesota, to root out the killer.

Officers are called to the scene as two women get into a fight in Burton and a police dog has its day after getting its teeth in to a suspected criminal.

An attempted arrest turns nasty as a suspected thief gets violent with officers and a brazen burglar nearly eludes police in a daring escape attempt.

When a popular teenage dancer suddenly disappears one day after practice, friends reveal to police that a man stalked her just days before her disappearance.

A 7-year-old cheerleader vanishes at a small Kentucky town's biggest youth football game of the year. When she's found murdered, panic takes over.

In Florida, a carjack sparks a police chase over land, air, and sea, with the suspect stealing multiple vehicles in a desperate bid to outrun the law.

Fear grips San Diego after police find a murdered woman's body tossed over a highway bridge. Investigators are led to a suspect that shocks everyone.

Investigators use surveillance video to uncover the secret behind a shooting. When a woman is murdered in her own home, police use the RTCC to track a killer close to home.

As Washington, DC burns, police realise they are hunting the most prolific arsonist in US history, and he has been getting away with it for decades.

The Twelve Signs He Will Die. A copycat Zodiac killer terrorises New York City while keeping cops guessing his identity. It falls to veteran NYPD detectives to outwit him.

Officers are called to the scene as two women get into a fight in Burton and a police dog has its day after getting its teeth in to a suspected criminal.

An attempted arrest turns nasty as a suspected thief gets violent with officers and a brazen burglar nearly eludes police in a daring escape attempt.

When a popular teenage dancer suddenly disappears one day after practice, friends reveal to police that a man stalked her just days before her disappearance.

A 7-year-old cheerleader vanishes at a small Kentucky town's biggest youth football game of the year. When she's found murdered, panic takes over.

An attempted arrest turns nasty as a suspected thief gets violent with officers and a brazen burglar nearly eludes police in a daring escape attempt.

In Albuquerque, Mike Snyder starts a family with his partner, capturing it on home video. But after being diagnosed with a serious illness, he vanishes.

US Air Force sergeant Nathan Paet and his family appear to live a blissfully normal life - until a horrific attack leads to their destruction.

When 15-year-old Kayla Berg isn't home after a night out, her loved ones think she's staying with friends. After six days, her last known location raises suspicion.

When law enforcement finds James Nibbe dead after a home invasion, they must dig beneath the surface of Lake Crystal, Minnesota, to root out the killer.

In California, an intruder brutally attacks and kills Joan Dawley. Secret home movies uncover a shocking tale of deceit, and a monster lurking behind the scenes.

When Lanny Horwitz is found murdered in his own home, it unleashes a shocking tale of jealousy and infidelity, leaving every member of the family a suspect.

19-year-old Angel Garcia disappears after riding his dirt bike. Friends say he was chased by an SUV before he vanished. Months later, a possible sighting raises hopes.

When it dawns on George and Margaret Keller that their son hides an evil secret, they are forced to make a heartbreaking choice whether or not to betray their own child.

When a father-of-three is shot dead in a hail of gunfire, police think there is more than one suspect. But Demery is unprepared for how many killers are at large.

The bullet-ridden bodies of three friends are found in a car in Shreveport's most notorious area. Demery delves into the city's dark underworld for answers.

A young woman reports a brutal home invasion and the shooting of her mother and father. But when police interview her, they uncover an elaborate web of lies.

A gunman shoots a young man and woman on their way home from work. Detectives learn that this is no random attack but the twisted plan of a psychopathic stalker.

A woman's body is found strangled near a country road. Investigators learn the suspect is a prolific serial killer who raped and murdered eight women.

I Guess My Life Is Over Now. A mother is found dead after reporting her son to the police. When he turns himself in, his confession isn't just cold-hearted, it's psychopathic.

A home health care aide's body floats in a rural Connecticut creek. Detective Garritt Kelly joins the investigation to bring justice to a community gripped by fear.

Police find the body of a man hidden inside a trash can. With few leads to go on and suspects at every turn, police aren't sure who they can trust.