Officers put themselves in the line of fire to pacify a crazed gunman, while lieutenant Joe Kenda investigates a shocking stabbing.

When 23-year-old Ashley Kline is found dead in a Pennsylvania wildlife park investigators must piece together the last few moments of her life in an attempt to find out who killed her.

True crime documentary series following determined investigators as they piece together events during the critical 24-hour window after a crime.

Police and witnesses reflect on David Copeland's nail bomb terror in 1999. Blasts in Soho, Brixton and Brick Lane killed three and injured over 100.

When multi-millionaire Bob Bosley is shot to death in his luxury cabin, his wife Amy claims a robber killed Bob and dashed off into the woods. A wide search of the woods turns up nothing, but a search of Bob's lifestyle turns up many interesting details, including millions of dollars of missing money.

It looked like a typical robbery, but things were far from what they seemed when Navy officer Cory Voss was shot at a cash machine after months at sea.

Female students are disappearing with alarming frequency from a college town in California. Then mutilated body parts begin to show up. The police investigation stalls, but then they begin receiving calls from the murderer.

When a beloved grandfather goes missing in rural Utah, a simple missing persons case becomes a complex crime of kidnapping and a shocking murder.

In rural Wyoming, a young teen is found strangled after vanishing from her group home. A relentless investigation reveals the killer's shocking identity.

Detectives reopen cold cases, uncovering new twists and startling revelations as they search for new breakthroughs to crack each unsolved crime.

Rookie detective Joe Kenda investigates an explosion at a bank. Is it an isolated robbery or the start of a Colorado Springs crime wave?

When a woman fails to come home from work, her daughter fears the worst, prompting lieutenant Joe Kenda to look for a potential serial killer.

A man rushes his friend to hospital with gunshot wounds, reporting the two were robbed by strangers. But lieutenant Joe Kenda thinks the facts don't add up.

When eight-year-old Kristine Zimmerman’s strangled body is found on a remote logging road, a shocking revelation soon reveals who abducted and killed the young girl.

Reality series following US detectives as they reconstruct murder victims' catastrophic final hours to help catch their killers.

A look at the horrific crimes of Angus Sinclair, who murdered two teenage girls in Edinburgh in October 1977. Dermot Murnaghan presents.

After a teenager is killed at a party, police question the guests and wonder if they're all part of a cover-up.

November 1983, and in Ohio 19-year-old nurses’ aide Janean Brown is brutally murdered. It will take three decades of investigation before her killer is finally brought to justice.

True crime documentary series following determined investigators as they piece together events during the critical 24-hour window after a crime.

This special episode shines a light on criminals who have been brought to justice for one crime only to be released to commit further terrible acts.

When a woman fails to come home from work, her daughter fears the worst, prompting lieutenant Joe Kenda to look for a potential serial killer.

While her two roommates were away, 23-year-old Stephanie Bennett was raped and strangled in her apartment. It took a long time, but finally the sadistic killer is revealed.

True crime documentary series following determined investigators as they piece together events during the critical 24-hour window after a crime.

The father of Clare Wood discusses how her murder in Salford in 2009 gave birth to a new law allowing people to find out if their partners have an abusive past.

A card game is interrupted by gunfire, leaving a young man dead. Elsewhere, lieutenant Joe Kenda responds to a double shooting.

When a former actor is gunned down in Yuma, Arizona, police chase leads across the southwest until they finally get their man.

True crime documentary series following determined investigators as they piece together events during the critical 24-hour window after a crime.

Caroline Roberts, one of the surviving victims of serial killers Rose and Fred West, is among those revisiting the couple's horrific 1970s murder spree.