The 1980s: The Deadliest Decade

Cellmate Secrets revisits some of the most infamous stories of headline-grabbing criminals. Actress Angie Harmon narrates the series, which reveals new insights and information as former friends, guards, cellmates and lovers give first-hand accounts of their time with the famed felons and defendants.

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All cities, even the great ones, harbor dark secrets. Homicide City: Charlotte uncovers the most dramatic murders that have taken place in this southern metropolis.

In this new original series, Court TV’s Vinnie Politan travels across the country to speak with accomplices — the convicted, condemned and exonerated — who share a unique look into cases and verdicts that might not be as clear-cut as initially thought. The series is told using Court TV’s unrivaled coverage of trials spanning nearly two decades. Each episode features unique stories and a cast of characters who face life in prison for crimes they may or may not have committed.

What happens when "the other woman" tires of her title? Monstresses on bio. recounts the most sensational stories of cheating men and their out-of-control mistresses. Each episode introduces two mistresses and reveals the deadly consequences as they take matters into their own hands.

Models are the epitome of beauty, fame and glamour. They are the lucky few - blessed with faces and bodies worshiped and envied around the world. But what happens when that model high life all little girls dream of turns into a nightmare?

Created from the novels by award winning crime writer Ann Cleeves, Shetland follows DI Jimmy Perez and his team as they investigate crime within the close knit island community. In this isolated and sometimes inhospitable environment, the team have to rely on a uniquely resourceful style of policing.

Columbo is a friendly, verbose, disheveled-looking police detective who is consistently underestimated by his suspects. Despite his unprepossessing appearance and apparent absentmindedness, he shrewdly solves all of his cases and secures all evidence needed for indictment. His formidable eye for detail and meticulously dedicated approach often become clear to the killer only late in the storyline.

The next generation crime series revealing the ground-breaking police techniques used to solve murders on Britain's streets.

The rise, fall, and improbable resurgence of Ashley Madison, the dating website aimed at marriage cheats. Pioneers in outrageous viral advertising, the company stops at nothing to gain publicity and by 2015 it appears to be on the brink of world domination. Then a team of hackers expose the intimate sexual secrets of millions of members, with devastating consequences. But in the aftermath of the data breach, are the site's adulterous users the only ones with dirty secrets?

When the leads dry up and a case goes cold, there’s only one thing that keeps investigators going—the hunch that Somebody’s Hiding Something. From grieving family and friends to jilted lovers and eyewitnesses, investigators pores over every detail and discrepancy to uncover the motive for the murder—along with the reason for suppressing a key piece of evidence. It’s a real-life psychological thriller, and every episode features a genuine murder mystery that keeps armchair detectives guessing until the very last frame.

DS Barbara Havers is assigned to work with the upper-crust DI Thomas Lynley to solve murders.

Der Rhein-Ruhr-Ripper Frank Gust

In this true crime series, we reveal as never before, what it's like to be a police officer working on the most incredible and inconceivable murder cases in criminal history in the UK and USA. Focusing solely on the perspective of the police, former policeman and Crimewatch presenter Rav Wilding narrates this series packed with revelations from the people who solved some of the most infamous murders from around the world. Featuring exclusive officer accounts, chilling interview recordings and stylish reconstructions, How I Caught The Killer provides a gripping insight into what it's like to work on indecipherable cases.

Murder She Solved tells the true stories of female crime investigators who, against all odds, have solved some of the most daunting murder cases in North America. Combining elements of mystery and intrigue, the series' unique visual style and riveting storytelling compels viewers to connect the dots as crime-solvers unravel the clues in their journey to solve the crime.

After his son's tragic death, a Louisiana pharmacist goes to extremes to expose the rampant corruption behind the opioid addiction crisis.

At the height of the refugee crisis in Bulgaria, a competent DANS employee and an ambitious local investigator are investigating the murder of a retired police officer in the border town of Smolyan. The clues are gradually turning them into a terrible secret about a crime that will overturn their investigation and personal fate.

In the dark and remote landscape of northern Norway, a brutal murder reveals a mass grave which links old cases to missing people. Local police officer Hedda is put on the case with special investigator Joel Dreyer, who comes from the metropolitan south. Their different backgrounds, personalities, and methods immediately set them against each other. But when the investigation begins to spiral out of control, both detectives resort to questionable moves in order to stay on the case and protect their secrets.

Monsters can be found lurking behind any innocent smile and on any street corner in America. Never-before-seen-video footage stares straight into the eyes of these killers who hide in plain sight. Anyone can be a monster.

A look at some of Europe's and America's most horrific serial killers and how bizarrely simple blunders eventually brought them to justice.