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Heather and Daniel's teenage romance blossoms into a marriage. But with Daniel's twin brother always hanging around, passion turns to poison.

Manjit and Mukhtiar get married and set up a home together in suburbia. But fierce arguments soon turn their dreams into a nightmare.

When detectives investigate the disappearance of Heather Elvis, they uncover a twisted web of lies and betrayal. Heather's family search for answers and justice.

Beautiful Elisa Redelsberger seems eager to start a new life when she meets soft-hearted lawyer, Larry McNabney. But then she pulls off the ultimate disappearing act.

Betty Lou Lazarra's beauty gave her an advantage in life. But when this single mom meets wealthy businessman, Al Haber, she won't rest on her looks alone.

In a rage, Ben Butler killed his young daughter, Ellie, but along with his wife faked a 999 call and protested innocence. Experts analyse their interviews.

When 16-year-old Becky Watts vanished without trace suspicions fell on her step-brother and his partner. Experts analyse police interviews for clues.

Relatives of serial killer Jo Dennehy reveal how her shocking crimes impacted the family. Were there any signs of her murderous intentions.

Relatives of serial killer Robert Maudsley reveal how his shocking crimes impacted the family. Were there any signs of his murderous intentions.

A mother's disappearance in 1979 is initially deemed the result of an airplane crash. But the seemingly open-and-shut case turns into a 22-year murder investigation.

When a young mum goes missing, her own mother determines to uncover the truth herself. But, the consequences of her quest prove tragically fatal.

Michael Zammitti Jr. had it all. But when that life is shattered, police must untangle a web of corruption that will rock two New England towns to their core.

A wife is killed while calling 911 and her husband is shot in the leg. He claims it was an intruder, but the police have their doubts.

Arkansas officers are pinned down by a deadly gunman for four hours. And, a naked driver waving a gun leads Wisconsin police to a dangerous standoff.

Mary vanishes, and investigators fear her stepdad may have killed the 13-year-old. Years later, a woman claims to be Mary, igniting deep suspicion.

A man faces life in prison for stabbing his fiancée to death as her family waits years for justice. A lawless couple uses a fake pregnancy in their crimes.

Two brothers seek justice for their parents' death in a drunk-driving accident. In a retrial, a defendant's brother testify against him for possible a death penalty.

When Butch Halley finds love with Sunny, he can't wait to start their new life together. But sinister rumours soon threaten to tear the family apart.

When former criminals Chance and Danielle meet sparks fly. But when they can't pay their bills will they be lured back into a life of crime.

A pair of teenage sweethearts seem to be happily married, with four children and an adventurous life together. But the couple is harbouring a dark secret.

The House Out On Wade Road. Byron and Michele Wright's marriage comes to a mysterious end. When Michele's new man arrives on the scene, a shocking truth is unearthed.

A tiny town in Maine with a population of 80 residents is torn apart when a couple are shot dead in their own home. Who murdered the high school sweethearts.

Brittney Cosby and her girlfriend Crystal Jackson are looking forward to spending their future together. When they are brutally murdered, everyone is a suspect.

A mother of three is gunned down in a church basement. Police find surveillance footage showing a figure in full body armour stalking the building.

When an entrepreneur is gunned down, police suspect a hit. After a long night of partying, two friends' overdoses may be something more sinister.

Shana Grice was murdered after being stalked by her ex-boyfriend, Michael Lane. He denied involvement, but experts examine police videos to determine the truth.

In a rage, Ben Butler killed his young daughter, Ellie, but along with his wife faked a 999 call and protested innocence. Experts analyse their interviews.

When top real estate agent Beverly Carter vanishes after meeting a new client, police must find out if anyone had a reason to harm her. What happened.

In one of the most exclusive neighbourhoods in Washington, DC, police discover a gruesome murder scene amongst the charred ruins of a mansion.

Relatives of 'Suffolk Strangler', Steve Wright, reveal how his shocking crimes impacted the family. Were there any signs of his murderous intentions.

Relatives of serial killer Bobby Joe Long reveal how his shocking crimes impacted the family. Were there any signs of his murderous intentions.

When April Barber was murdered at a remote beauty spot, her husband said he tried to stop the killer and even appealed for help on TV. Experts analyse his deception.

When Laci Peterson went missing, her husband claimed he last saw her before he went fishing - but his secret mistress exposed his lies. Experts examine his behaviour.

When the body of a young woman is discovered in the woods, investigators are faced with a difficult decision if they're to solve this brutal murder.

A cross-country journey leads a teen to a counterculture festival and a tragic end. Strangers, secrets and trust unravel in a shocking finale.

In 1978, Burger Chef, a fast-food joint in Speedway, Indiana, finds itself in the middle of a murder mystery that still has people asking questions 40 years later.