A gunman ambushes a striving real-estate mogul in his Arkansas home, shooting the young father between the eyes at close range.

A look at some of the strangest arrests from across the country. A boater goes off the deep end; a naked man causes traffic chaos; a police uniform-swiper gets taken to the cleaners; and more!

A look at some of the strangest arrests from across the country: a passenger allegedly tries to sneak onto a full flight; a self-proclaimed bride is arrested for DUI on her supposed wedding day; and more!

In this tragic case, Tiara Pool, a 21-year-old Navy wife from Jacksonville, Florida, met David Sparre on Craigslist. Their encounter took a horrific turn when Sparre brutally stabbed Tiara 89 times in her apartment in July 2010.

Death rate triples on a hospital ward linked to nurse Kristen Gilbert. Could this seemingly typical 'soccer mom' really be a killer?

A nurse in a doctor's white coat is linked to mysterious patient deaths at a medical centre, but even his shock confession can't bring him to justice.

Rebecca and Lee Cawthon enjoy inviting other people into their relationship - it's how they got together. After striking up a relationship with exotic dancer Alite, they also get intimate with her school friend Thad.

After meeting at college, Ashlea and Emmett find they share the Mormon faith and within months are engaged. But seven years into their marriage, three cops come knocking on the couple’s door – there has been an accident – and a gun is involved.

Court Cam

A look at some of the wildest courtroom moments. A grieving man jumps over the gallery railing and goes after his brother's killer. A defendant gets his bond revoked after angering the judge; and more.

When Yessenia Nieves and her two children were reported missing after a confrontation with her jealous husband, fears for their safety grew.

In Gwinnett County, Georgia, a young man is caught in the crossfire when his 21st birthday spins out of control.

After a 69-year-old woman is found dead in her bathtub, a suspect leads Tulsa detectives on a high-speed chase that ends tragically.

When a young Goth couple, Rob Maltby and Sophie Lancaster, are set upon by a ‘pack of feral thugs'—the vicious attack leaves eyewitnesses afraid to speak up. Despite the very public attack, a wall of silence falls around the offenders.

Rolf Harris became famous for his artwork and music, even painting a portrait of the Queen for the jubilee. But it all came crumbling down in August 2013 when he was accused of 12 assaults on girls as young as eight years old between 1968 and 1986.

An inside look at the series of mysterious deaths that occurred at Stepping Hill Hospital in Stockport, Greater Manchester, in 2011.

In this special episode, we focus on those criminals who have been brought to justice for one crime only to be released to commit further terrible acts.

John Sweeney brutally murdered two of his girlfriends, dismembered their bodies and dumped them in canals. In a macabre twist, he hid clues in his abstract paintings, and five other girlfriends of his are currently still missing.

Motive to Murder

Hospital orderly Donald Harvey is seen as a good worker, but when he confesses to multiple murders, no one initially believes him. He goes on to become one of America’s most prolific serial killers.

Nurse Charles Cullen said he hated to see people suffer, but he became the most prolific serial killer in New Jersey history. He confessed to murdering up to forty patients, but some believe there were as many as 300.

Fugitive Hunters: Mexico

The Fugitive Hunters get a lead on a convicted sex offender from Nevada hiding out in a beachside resort 20 miles from the US border.

It's July 4th and the fireworks aren't just in the sky as officers respond to holiday revellers behaving recklessly on the road and in the bars.

When an up-and-coming cyclist is shot dead in cold blood, a sighting on surveillance footage leads detectives to believe the victim may have been targeted.

In order to escape her abusive husband, a woman fled to the Bunny Ranch thinking that legal brothels are safe. To her horror, her journey became even darker and more twisted than she could have imagined.

City Confidential

Singer Island, Florida, is heaven on earth, but it quickly becomes a living hell when a beloved local couple goes missing.

Crime In Progress

After a frantic 911 call, EMTs and sheriff's deputies rush to save the life of a mother who suddenly stopped breathing. A tense scene unfolds in real-time when her partner refuses to cooperate with police.