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When a Homecoming Queen and a Dairy Princess are murdered in Marathon County, Wisconsin, detectives question a pool of suspects, from strangers to frenemies.

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.

The abduction and murder of a young schoolteacher shocks a New England town. Veteran investigator Robert Cushing is appalled by the depravity of the killer's plan.

On Chincoteague Island, a young mother is murdered steps from a vacant summer home. Det. Danny Plott learns she was lured to her death by a mysterious phone call.

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

Gilbert believes a strict parenting style is the best approach, but his wife thinks differently. It isn't long before this family feud escalates into tragedy.

In Pennsylvania, the body of a computer programmer is found submerged in a bathtub. Leads are scarce until detectives uncover a series of troubling voicemails.

A former mayor of an Ohio town turns up dead in his hunting cabin. Detective Ryan Allar explores whether this is political retaliation or something more personal.

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.

A shotgun wedding leads naval officers John and Rebecca in a troubled marriage. Years later, a fierce custody battle pushes both sides in a deadly battle.

Identical twins Caleb and Joshua are the apples of their father's eye, but the pressure to be exceptional manifests into dangerous hatred.

Twins. Identical twins Ron and Tron find solace with one another in their big family. But, one day Ron finds a blossoming love that soon turns deadly.

A reformed bad boy accuses his new bride of being too flirtatious. In a blind rage, he faces off against his beautiful newlywed and their romance takes a horrific turn.

Angelika and Vincent are the perfect couple. But just before wedding bells can ring a storm destroys their dreams and an accidental drowning turns out to be a homicide.

A young husband is found brutally murdered in his Deerfield, Ohio, home. The prime suspect is his vindictive and highly psychopathic wife.

A teenage girl goes missing, shocking detectives who discover one of her best friends betrayed and murdered her in the hopes of becoming rich.

After the murder of an army major, police uncover a twisted world of swinging, manipulation, and a teen trapped in a family's dark double life.