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Natalie and Paul had a seemingly idyllic relationship. But when she suddenly disappears, the investigation uncovers a dark reality of control and violence.

When outgoing Beth Spaulding and shy Jason Risenburg meet, it seems a perfect match. But a series of disasters rip apart this once-perfect couple.

When Doug meets Rose, they quickly fall in love and later marry. But behind the perfect façade seen in home videos, lies and deceit begin to surface.

The brutal murders of two teenage girls at a remote lookout point at first seem random. Police uncover a web of secrets among their network of friends.

British criminal barrister Robert Rinder examines the case of Adam Vincent from Grimsby, who was severely menaced by a local family.

When the body of Dawn Meade is found on the side of the road, detectives must determine if it is an accidental death or something more sinister.

When police discover a married man dead in a secret sex den, they launch a relentless hunt for his killer, unearthing dark secrets along the way.

Ten-year-old Corey Breininger shoots his father in a tragic accident. But years later, Corey recounts the sinister role his scheming step-mum played in the crime.

30-year-old Jennifer is shot dead after a night out. Can surveillance cameras help detectives hunt down the killer before he strikes again.

Russell Williams led a shocking double life as a rapist and murderer. How did he give himself away as one of Canada's most dangerous criminals.

Andrew Burfield killed his ex-partner Katie Kenyon with an axe, then claimed her death was a freak accident. Experts reveal the signs of his deceptions.

The double homicide of a young mother and her 21-month-old daughter sends Galax's tiny police force on a frenzied mission to stop unspeakable evil in its tracks.

Two gunmen rob a Seattle bank. One of the gunmen is killed in a firefight with police, while the other escapes after assaulting a family. Can he be caught.

Just outside Detroit, a man has allowed his home to become completely overrun with cats which are virtually feral, extremely aggressive, and living in foul conditions.

When several patients in a small ICU facility die, investigators turn to forensics to solve the mystery.

A security guard finds an employee dead in the driver's seat of his car. Police suspect that someone was illegally hunting and shot the victim.

Officers carrying out a night time operation take part in major raids at different locations, and police are called to a petrol station where a man is being refused alcohol.

Officers are forced to hit their panic buttons as a house raid turns ugly, and officers are hot on suspects heels after a police dog indicates the presence of drugs.

In summer 2014, a drink thrown in a Manchester nightclub triggered a gangland feud that caused years of ruthless violence, with deadly consequences.

Hiding a body can be tricky - it's sometimes easier to obscure the circumstances of death, turning murder into suicide or blaming it on someone else.

Contract killings arose out of the need to establish the perfect alibi, hiring someone can deflect guilt. Forensic science is changing this.

Mobile phones, CCTV and cashpoints can track virtually every human move. We see exactly how this aids murder investigations.

When doctor's wife Christine is murdered in her stables detectives struggle to identify a killer who has carefully covered his tracks. Who shot Christine.

Dear Katherine, It's Me The Killer. When 18-year-old Katherine Foster goes missing, terror strikes the heart of the University of South Alabama. Is there a killer in their midst.

When Michael Severance goes AWOL the community of San Angelo rallies around his new bride. But is there something more sinister behind his disappearance.

When a ranch hand is found dead in a river outside of Salt Lake City, investigators across two states must work together to catch the killer.

In 2020, Gretchen Anthony disappeared after being diagnosed with COVID-19. Investigators rely on recorded jailhouse phone calls to unravel the mystery.

Fishermen find a 27-year-old man shot to death on a river embankment. A jailhouse call leads investigators to a twisted love triangle that ended in murder.

On a March morning in Baltimore, the brutal stabbing and murder of 96-year-old Evelyn Murray-Bailey devastates the community.

A stray bullet kills 15-year-old La'Kyijah Williams, outraging Chief Eric Winstrom. CCTV shows a masked gunman, but witnesses refuse to talk.