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In a rich California suburb, popular cheerleader Kirsten Costas is stabbed to death. A teenage girl is seen fleeing the scene - does someone know the killer.

The murders of two teenagers devastates their communities. Everyone is desperate for answers, who would kill the two young victims.

A newly engaged woman is discovered dead on New Year's Day. Investigators brush her death off as suicide, but her family are convinced foul play is involved.

When a farmer comes across a car with a dead woman inside it, police believe it is a sick sex crime. But, investigators reveal a sinister and evil truth.

On June 6, 1992, Suzie Streeter and Stacy McCall are out celebrating high school graduation. By morning, the teens are missing, along with Suzie's mother.

When two young adults are found dead weeks apart police are stumped. Disturbing text messages and contradictory statements suggest they were murdered.

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.

Entrepreneur Chris Smith moved to Southern California with dreams of sand and success. After making a fortune, he decides to travel the world, but he never returns home.

When the body of loving father, Re'Mano Campbell, is found slain in his house in Prichard, AL, local investigators unravel a disturbing web of lies.

The baffling murder of a beautiful young woman leads police to zero in on two potential suspects - her new boyfriend and an obsessed stalker.

The search for the man who murdered a single mother might lead police to the perpetrator of a second brutal crime with chilling similarities.

Experts analyse the former Prime Minister's colourful past and complicated relationship with the truth. Was his career littered with lies.

Online dream. Real life nightmare. Experts in body language, linguistics, and psychology study police bodycam, spotting the signs that point to the murder of Gabby Petito.

A killer leaves a college student dead in an infamous LA tunnel linked to the Manson murders, sparking rumours of occult connections.

Katrina and Jack visit a mansion in Denver rumoured to be beset by scandal, death and ghosts. But, their client is sceptical that it is paranormal activity.

Nick and Katrina investigate a Victorian mansion's haunted secrets. Over the course of their investigation, they capture unnerving voices pleading for help.

A shadow man terrorizes a small boy and his mum in their family home. The case takes a dark twist when the ghost is not who Amy and Adam expect.

An investigation into a shadow figure takes an emotional turn for Amy. Plus, a growling voice makes the team fear the ghost is more negative than they were led to believe.

The baffling murder of a beautiful young woman leads police to zero in on two potential suspects - her new boyfriend and an obsessed stalker.

The search for the man who murdered a single mother might lead police to the perpetrator of a second brutal crime with chilling similarities.

Experts analyse the former Prime Minister's colourful past and complicated relationship with the truth. Was his career littered with lies.

Online dream. Real life nightmare. Experts in body language, linguistics, and psychology study police bodycam, spotting the signs that point to the murder of Gabby Petito.

40-year-old Priscilla Strole seeks a fresh start when she and her teenage son move to a small town in California, unaware it will lead to her untimely end.

After four marriages, 36-year-old Carol Grannon returned to school and got a lucrative job. But, one of her men ended her life as this new chapter began.

Roses Are Red, Murder Is Too. When a town council member is found murdered local residents are appalled - especially when the evidence begins to suggest a professional 'hit'.

When a beloved local waitress goes missing foul play is immediately suspected. Rumours about her fate circulate through the town tied to another disappearance.

Debra Hartmann craved a life of luxury and seemed to have it all - fur coats, fancy car, and a boyfriend. But one thing was standing in her way - her husband.

After a string of failed relationships, Veronica thinks single dad, Russ, is perfect. But daughter, Kimberly, and the growing family vex this stepmother.

High school sweethearts Lyle and Carol Kopenskey marry after graduation. But after 40 years of marriage, an old friend returns and jealousies turn to murder.

A vivacious 33-year-old drowns in the middle of a crowded lake. The investigation untangles a dark, nefarious past that includes theft and multiple murders.

In 1969, racial tensions escalated into riots in York, Pennsylvania. Two people were killed - a white police officer and an African-American mum.

In 1977, a Philadelphia woman goes missing. 18 months after her disappearance, police uncover the shocking truth. After 30 years, the killer is still on the run.

Two young teenagers went for a short walk in 2017 and were never seen again. Plus, a 13-year-old boy during a break in Colorado goes missing - what happened to them.

A mother of five children vanishes without a trace. Heated interrogations and disturbing discoveries bring tensions to a boil as her family fights for justice.

Matriarch, Cathy Stroup, is the no-nonsense head of the family. But, could her management of everyone's affairs lead to a terrible betrayal.

Stacy Malman and Robert Feldman are the perfect couple. But life soon becomes a living hell when a knock at the door forces the couple to face reality.

In 2013, police arrive at a devastating scene. At first, it appears to be a tragic accident, but police soon uncover a story of infidelity and obsession.