21-year-old music student Kate Johnson planned to spend her break on the nearly empty University of Portland campus working as a dorm manager to make some extra money. But not long after she started, co-workers find her murdered in her dorm room.

In 2012, 24-year-old military reservist Alvin Bulaoro was reported missing by his family. Two weeks later, his body is discovered, having sustained gruesome injuries, inside a sleeping bag in the backseat of his car in a parking lot in Fallbrook, CA.

At the age of 16, Sana Muhammad had an arranged marriage to Ramanodge Unmathallegadoo, a man almost twice her age. She managed to escape the unhappy relationship and found new love, but Ramanodge decided she would never get to enjoy her new life.

A deadly home invasion sparks a manhunt for a stranger terrorising a Tulsa housing complex.

Teenager Jay Sewell's life was taken in a brutal attack orchestrated by jealous Daniel Grogan, who had heard that Jay was seeing his former girlfriend.

On Friday the 27th of September, 2002, the family of 18-year-old Rachel Burkheimer file a missing person report with the Snohomish County Sheriff's Office after she fails to return after meeting friends.

The bodies of Dr. Kenneth Stahl and his wife, Carolyn Stahl, were discovered shot to death in their car. The scene initially suggested a roadside ambush or robbery, but inconsistencies quickly raised suspicion.

In Cle Elum Washington, Casey lost her dream home to a stranger who claimed it as her own for over 4 months and even tried to rent rooms out to other people for profit. But when Flash and his team move in, will their tactics be enough?

In September 2003, 17-year-old Justine Vanderschoot disappeared, prompting an exhaustive investigation by law enforcement. Initially, police discovered her abandoned vehicle at a park-and-ride lot with no indication of foul play.

24-year-old Alice Ruggles was murdered by her jealous ex-boyfriend when he climbed in through an open window and slashed her throat six times, almost cutting through to her spine.

When celebrated snake breeder Ben Renick is found shot dead, his pythons are initially suspected to have turned their poison on their owner. But investigators soon unravel a twisted tale of greed, infidelity, and deceit.

The 4th of July around the Lake of the Ozarks kicks off as Chief Boren and his officers meet an uncooperative bar patron who's had too much of a good time. On the highway, Officer Kale Keagy encounters a suspected drunk driver.

Officers tackle a range of thrilling calls, including a search for a wanted man hiding in a house, a horrific traffic accident on the Bagnell Dam, and a vicious fight on The Strip.

Summer around the Lake of the Ozarks heats up as Corporal Stephen Riner tries to stop a curious case of road rage. K9 officer Corporal Caleb Harvey and his four-legged partner, Donzi, search a vehicle they believe has narcotics.

Officer Brittany Johnson joins the Lake Ozark PD’s ranks and gets a baptism by fire responding to a series of chaotic fights and bloody medical emergencies on The Strip.

A hard-hitting look at the murder of Rachel Nickell, who was sexually assaulted and murdered in front of her two-year-old son on Wimbledon Common in 1992.

Failed businessman Christopher Foster killed his wife and daughter before burning their mansion in Shropshire to the ground in August 2008.

In the summer of 1993, gay men in London were being terrorised by a brutal killer. Colin Ireland, a loner from Southend, had made a macabre resolution – to become a serial killer.

In Cle Elum Washington, Casey lost her dream home to a stranger who claimed it as her own for over 4 months and even tried to rent rooms out to other people for profit. But when Flash and his team move in, will their tactics be enough?

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.

In an emotional tribute, witnesses and victims' relatives look back on the tragic murder of 16 children and a teacher at Dunblane Primary School in Scotland, 15 years ago.

In an affluent San Diego suburb, 88-year-old widower Gerald Rabourn is grateful for an ‘angel’ caregiver who steps in to take control of his affairs. But then, he stops communicating with family altogether and disappears without a trace.

A reported suicide in a quiet Berkeley home unravels when detectives realise the scene may have been staged to hide a killing.

In 2014, after University of Minnesota junior Abby Honold is brutally raped by a fraternity brother, she fights back and then seeks justice, taking on the protective Greek system in the process.

After a 90-day trial by fire, The Chicano Squad is here to stay. But their progress is now under threat with the arrival of Colombian drug cartels, who have unleashed a wave of violence that has earned Houston the title "Murder Capital of the US."

A killer is terrorising South Central, murdering African American women and discarding their bodies in the street. As the victim count rises - but suspects are few - fear and anger take hold in a community often overlooked by the police.

Investigative series examining murder cases told through the personal experience of retired Colorado detective Lieutenant Joe Kenda.

Investigative series examining murder cases told through the personal experience of retired Colorado detective Lieutenant Joe Kenda.

Investigative series examining murder cases told through the personal experience of retired Colorado detective Lieutenant Joe Kenda.