Explore compelling cases that have gone cold for years, chronicling the journeys of the detectives who reopened them. The detectives relive the events of the crimes, reveal new twists and startling revelations, relying on breakthroughs in forensic technology and the influence of social media to help crack these cases.

The true story of London Metropolitan police detective Colin Sutton two-year long manhunt for serial killer Levi Bellfield.

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A war veteran plagued by guilt over his final mission teams up with his best friend’s widow to infiltrate a dangerous Copenhagen biker gang.

Hidden amongst the rolling mountains and deep forests of the pacific northwest sits a breeding ground for one of the deadliest terrains in the world. Known as a serial killer’s playground, this land once dubbed “Wonderland” due to its grandeur and summer beauty, washes away into nine dreary months of rain that bring gray skies and a falling mist that drives the demons among us to kill. These are The Wonderland Murders.

In turn-of-the-21st-century Moscow, an innocent trade plunges Swedish investment banker, Tom Blixen, into a battle with millionaires, politicians, oligarchs and their private armies.

After a failed heist, a criminal mediator flees Chicago and hides out in a small Australian reef community, where he poses as the new church reverend.

True stories of victims who are thrust into real-life nightmares while working the graveyard shift when they are the most vulnerable.

Two sisters must face a new reality — and supernatural elements — when it’s revealed their parents participated in a cult ritual ending in death.

Mark “Chopper” Read established a reputation of infamy by becoming one of the toughest criminals in Australian history. But in order to secure the affections of the woman he loves, Chopper fights to go straight. Yet the sins of his past, his ego and an ongoing feud with Syd Collins will make his hopes of a straight life a dangerous and near-impossible enterprise. Underbelly Files: Chopper explores the collision of Chopper’s two competing identities — the myth and the man.

A Wyoming sheriff rebuilds his life and career following the death of his wife. Based on the “Walt Longmire” series of mystery novels written by best-selling author Craig Johnson.

Baffling crimes and the clues that lead to the killer. Chilling reenactments of the victim’s last days and the toll the deaths took on family and friends along with interviews and commentary from the real life detectives that tracked down the killer and crack the case.