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After a violent home invasion and murder caught on camera in Michigan, detectives interrogate six suspects. Who is the mastermind and who is the killer.

When Mandy meets Paul online, he quickly moves to Kentucky so they can marry. But love soon turns to hate when his controlling behaviour turns murderous.

A 911 call, a missing phone, a mystery man and surprising forensic clues turns a seemingly obvious suicide investigation into a homicide case.

A frantic woman calls 911 when she finds her husband shot to death. The investigation uncovers a complex trail of deceit in a murder that was years in the making.

On Monday, January 28th, 1996, the morning after Super Bowl, a campus worker at Tustin High School, California discovers a bloody corpse on the tennis court.

The Curious Case of the Persian Violet. In 2004, 27-year-old Jarrod Davidson is shot dead outside his apartment. Next to him is a suspicious potted plant. Who killed him.

Robert Foust considered killing his son, Aaron, thinking it would stop him from growing up to be a murderer. Instead, he put himself and his son in God's hands.

I Wished My Son Were Dead. For more than 25 years Joyce Alexander has been terrified of her son. She fears he blames her for his crime and believes he is plotting revenge from jail.

An employee of an exotic wildlife park vanishes. As the search for the missing woman intensifies, investigators fear that the predator responsible is not an animal.

A retail store employee's crush on his manager escalates into an obsession. When she moves state, the stalker tracks her down to carry out a twist plan.

When the Cravens bring in handyman Rusty McIntire to remodel their basement, it sets off a chain of events that razes their marriage to the ground.

Ron Hiiri is a ladies' man living the good life in upscale Connecticut. But a new girlfriend and a stock market crash send his life out of control.

In Idaho, a devoted family man, Bo Kirk, vanishes and his truck is found ablaze. Bo's sister suspects their estranged father until ATM security footage is released.

An elderly couple in Moscow, Idaho, are shocked by an attack on their young neighbour, executed in her doorway. Could a tip from behind bars help investigators.

Stephen and Angel are a glamorous socialite pair. They create the perfect picture except for the fact that Angel isn't Stephen's wife - she's his mistress.

A deputy sheriff turns in his badge to pursue a career in acting. When a shooting leaves him injured and his wife dead, police learn there's more to this court TV star.

Sheila had learned to fear her husband and his violent temper. But when police arrest him for a ghastly crime, she is certain that they have the wrong man.

A gun store robbery ignites a federal investigation into arson, violence and murder. But, soon the detectives come face to face with an unlikely killer.

After a whirlwind romance at college, Michael and Elizabeth marry. But when Michael's body is found on a local golf course, the dark truth emerges.

When the Cravens bring in handyman Rusty McIntire to remodel their basement, it sets off a chain of events that razes their marriage to the ground.

Ron Hiiri is a ladies' man living the good life in upscale Connecticut. But a new girlfriend and a stock market crash send his life out of control.

In Idaho, a devoted family man, Bo Kirk, vanishes and his truck is found ablaze. Bo's sister suspects their estranged father until ATM security footage is released.

An elderly couple in Moscow, Idaho, are shocked by an attack on their young neighbour, executed in her doorway. Could a tip from behind bars help investigators.

The ex-girlfriend of former Boyzone member Mark Walton was arrested for the murder of French nanny, Sophie Lionnet. Why did Sabrina Kouider brutally kill this woman.

28-year-old Mahmuda Khatan stabbed her husband of only one month on his birthday. Police detectives, experts and acquaintances discuss why she murdered him.

Lake Erie is home to more than 2,000 shipwrecks mostly due to its shallow bottom. For one local fisherman, navigating a double life proves just as treacherous.

In 2009, a woman disappears and writes a social media message to say she is leaving. But, her friends and family are sceptical she would leave her children.

Two young women who dream of big success as television anchors are just embarking on their careers when their plans come to a violent end. What happened to them.

A 19-year-old goes missing after going to a party. The discovery of her remains in a field 15 months later is devastating - who would do this to her.

Free spirit Jeremy is convinced that 'bad men' are out to get him. Is he suffering paranoid delusions or has he run into trouble, and where is he now.

Sixteen-year-old lifeguard Molly Bish goes missing from her work at the local pond. Has she been snatched by a predator, and where is she now.

In 2008, Alisha Sidie, a 27-year-old mother of two vanishes in a small cabin vacation town in Wisconsin. The whole community mobilises for the search.

In 2013, 17-year-old Alexis Murphy, rising social media star and athlete, disappears along Route 29 with no trace until a security video reveals a chilling clue.

When Lisa Stukey has not been seen or heard from for several weeks, Police find her decomposing body inside her home. The investigation leads to a shocking discovery.

Extremely popular teenager Kathy Chou goes missing in Washington, shocking everyone. Then, a surprising tip leads to police looking at those closest to her.

One Halloween, Montie Smith meets 22-year-old Shaynna Sims. She sweeps him into a world of sex, lies and demented jealousy that leads to unspeakable horror.

Who Killed Kay? In 2008, a man found his wife murdered at home. With few clues in the case, investigators quickly learn that all is not what it seems in her picture-perfect life.

A single mum is shocked to find a serial killer in her home. To survive, she must get him to fall in love with her.

When high school choir kids Keri Murphy and Rebecca Keller team up, their passions collide. The only way to get what they want is for someone to die.

In Oklahoma City, two masked gunmen allegedly ambush a couple and kill the husband. With few leads, police use forensics and neighbourhood gossip to solve it.

In December 2003, police respond to a mysterious 911 call at a home in Mansfield, Texas. When officers enter, they discover two bloodied bodies.

The tragic murder of a 14-year-old girl in Michigan leaves behind little physical evidence, forcing investigators to enter the digital world in search of clues.

When 26-year-old Erica Crippen Crosby disappears from her home in New Jersey, detectives must follow a digital trail to uncover the truth about what happened to her.

To solve the murder of a respected young entrepreneur, Detective Dale Mason must navigate a tangled conspiracy and outwit a band of career criminals.

When a father of five is found dead on his kitchen floor, Det. James Colley must untangle a web of twisted relationships and bizarre fantasies to uncover the mystery.

When the Cravens bring in handyman Rusty McIntire to remodel their basement, it sets off a chain of events that razes their marriage to the ground.

Ron Hiiri is a ladies' man living the good life in upscale Connecticut. But a new girlfriend and a stock market crash send his life out of control.

Amanda Perrault's dream move to a lake house with her husband and his child turns into a nightmare. Can the Sheriff outwit a calculating killer and bring justice.

When Mandy meets Paul online, he quickly moves to Kentucky so they can marry. But love soon turns to hate when his controlling behaviour turns murderous.

When a tip from a missing persons' network helps identify the body of a John Doe murder victim, investigators' questioning unravels a dark tale of betrayal.

In North Port, Florida, police get a call that a young mother has vanished from her home. A trail of incoming 911 calls leads officers on a hunt for her abductor.

On Monday, January 28th, 1996, the morning after Super Bowl, a campus worker at Tustin High School, California discovers a bloody corpse on the tennis court.

The Curious Case of the Persian Violet. In 2004, 27-year-old Jarrod Davidson is shot dead outside his apartment. Next to him is a suspicious potted plant. Who killed him.

An employee of an exotic wildlife park vanishes. As the search for the missing woman intensifies, investigators fear that the predator responsible is not an animal.

A retail store employee's crush on his manager escalates into an obsession. When she moves state, the stalker tracks her down to carry out a twist plan.

Jesse Whitley is a small-time scoundrel whose body is found floating in a river. Police have a list of suspects, but it takes 17 years to uncover the truth.

Thanksgiving. When Jim Madonna is found shot to death in his own car, all of Taunton, MA is shocked. Chris Hansen reveals a grim holiday tale of murder and betrayal.

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.

A shotgun blast in the woods brings an Oregon love triangle to a deadly end. Jail phone calls suggest that the killer may not have acted alone.

A small New England town reckons with its first murder in 34 years. An elderly woman lies dead in a bathtub, after the killer enters through a hole in the wall.

A deputy sheriff turns in his badge to pursue a career in acting. When a shooting leaves him injured and his wife dead, police learn there's more to this court TV star.

Growing up, John Rose showed signs of violence and in 1991 he committed a brutal crime. His sisters Betty and Ulayla tell their story for the first time.

Melissa More adored her father and in her eyes, Keith Jeperson could do no wrong. But as she got older, her love soon turned to fear of becoming his next victim.

The Vanishing Women Of San Luis Obispo. Two young women vanish in California. With little evidence, detectives' only hope of finding them is to convince a potential killer to talk.

After a violent home invasion and murder caught on camera in Michigan, detectives interrogate six suspects. Who is the mastermind and who is the killer.

In Idaho, a devoted family man, Bo Kirk, vanishes and his truck is found ablaze. Bo's sister suspects their estranged father until ATM security footage is released.

An elderly couple in Moscow, Idaho, are shocked by an attack on their young neighbour, executed in her doorway. Could a tip from behind bars help investigators.

Ron Hiiri is a ladies' man living the good life in upscale Connecticut. But a new girlfriend and a stock market crash send his life out of control.

Robert Foust considered killing his son, Aaron, thinking it would stop him from growing up to be a murderer. Instead, he put himself and his son in God's hands.

I Wished My Son Were Dead. For more than 25 years Joyce Alexander has been terrified of her son. She fears he blames her for his crime and believes he is plotting revenge from jail.

An employee of an exotic wildlife park vanishes. As the search for the missing woman intensifies, investigators fear that the predator responsible is not an animal.

A retail store employee's crush on his manager escalates into an obsession. When she moves state, the stalker tracks her down to carry out a twist plan.

When beloved teacher Margaret Jack Sliger is murdered on her farm, there is little evidence to go on. Will detectives find the killer and bring the community justice.

When 18-year-old Julie Heath goes missing in rural Arkansas, the small town begins a desperate search for her. But no one expects the horror that ensues.

In August 1992, Tennessee landowner Allen Roberts arrives home to discover his wife is missing. Suspicion soon falls on him, but is someone else the culprit.

Debora Gail Moody vanishes from her home in Ludowici, Georgia. A decade passes with no answers, until a confession reveals chilling details of her disappearance.

When Tanveer Iqbal's body was discovered in the boot of his car, Zatoon Bibi, her husband and 15-year-old son were arrested for his murder. Why did this family kill.

When Patrick Gilhuley was shot dead by his partner in 2014, she claimed it was self-defence, but her ex-husbands provided evidence of her violent past.

When a co-worker finds 67-year-old Karen Navarra dead in a bloody scene at her California home, the seemingly contradictory physical evidence baffles police.

When police discover a missing three-year-old child dead in Haddon Township, New Jersey, they must turn to the digital evidence to pinpoint the killer.

A single mum is enjoying a night out when a handsome cowboy introduces himself. He charms his way into her home but attacks her, leaving her for dead.

A sadist attacks two students during a walk. Only one of them lives, and she is the sole survivor of the 'Railroad Killer.

Who Killed Our Girls? In 1991, four teenage girls are shot to death in Austin, Texas. Police scramble to find an answer to one of the most notorious crimes in Austin history.

John joins the hunt for a man accused of murdering his girlfriend in an act of petty jealousy. Cal helps find an unemployed metalhead accused of sexual abuse.

John is in pursuit of a couple accused of murdering a retiree and selling off his assets. Later, John and Cal hunt for the mysterious Boca Raton Mall murderer.

When Tanveer Iqbal's body was discovered in the boot of his car, Zatoon Bibi, her husband and 15-year-old son were arrested for his murder. Why did this family kill.

When Patrick Gilhuley was shot dead by his partner in 2014, she claimed it was self-defence, but her ex-husbands provided evidence of her violent past.

When a co-worker finds 67-year-old Karen Navarra dead in a bloody scene at her California home, the seemingly contradictory physical evidence baffles police.

When police discover a missing three-year-old child dead in Haddon Township, New Jersey, they must turn to the digital evidence to pinpoint the killer.

When Patrick Gilhuley was shot dead by his partner in 2014, she claimed it was self-defence, but her ex-husbands provided evidence of her violent past.

When beloved teacher Margaret Jack Sliger is murdered on her farm, there is little evidence to go on. Will detectives find the killer and bring the community justice.

When 18-year-old Julie Heath goes missing in rural Arkansas, the small town begins a desperate search for her. But no one expects the horror that ensues.

In August 1992, Tennessee landowner Allen Roberts arrives home to discover his wife is missing. Suspicion soon falls on him, but is someone else the culprit.

Debora Gail Moody vanishes from her home in Ludowici, Georgia. A decade passes with no answers, until a confession reveals chilling details of her disappearance.

After the death of her parents, undergrad student Leah drops out of college and hits the road, leaving a cryptic note for her friends and siblings. Where is she now.

When high-profile DA Ray Gricar goes missing, his laptop and hard drive are found destroyed in the Susquehanna River. Was Ray murdered, or is he on the run.

Poker club owner, Paul Horn, is gunned down in his apartment. Detectives reveal four potential suspects but Chris investigates which one pulled the trigger.

Sophia Arnold's body is found at the Mississippi River, where police interview two men whose stories don't match up. Chris unfolds the horrific truth of her murder.

Two young women vanish after venturing out alone at night. Can clues that come from behind bars help solve the mysteries that surround these disappearances.

Who Pulled The Trigger? The dreams of a promising young athlete come to an end when he is found shot to death. His family begin a relentless hunt for justice.

The body of a promising young radio host turns up near a road in south Houston. Det. Harris takes the case, and uncovers a tragic tale of love and deceit.

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.

The Barnetts' adoption of an allegedly six-year-old Ukrainian orphan turns into a nightmare when they learn she may not be six, or Ukrainian.

Orphan Or Imposter? Michael Barnett claims Natalia tried to poison them. But inconsistencies in his story leads investigators to question who the real villain is.