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Norway’s Greatest Mystery: The Isdal Woman

The mysterious death of Norway's Isdal Woman continues to transfix investigators across the globe.

By Matthew Thompson

Suspect Arrested in 25-Year-Old Cold Case Murder of Lisa Ziegert

For more than two decades, Massachusetts authorities have been hunting for a killer...

By Catherine Townsend

A Body in Kentucky: The 30-Year-Long Mystery of “Tent Girl”

In 1968 her body was found. Her identity would remain a mystery for decades.

By Gary Sweeney

6 Mysterious People at the Heart of Unsolved Cases

Their lives (and deaths) remain a mystery to this day.

By Diana Vilibert

Who Killed Tammy Jo Alexander More Than 30 Years Ago?

She was only 16 years old when she was murdered and dumped in a cornfield.

By Michelle Sigona

The Fight to Keep Her Sister’s Killer Behind Bars

Vicki Dill's older sister was murdered in 1973. After years of going unsolved, the case was finally closed ... and now the killer wants to be set free.

By Barry Blitch

Missing Man Solves His Own Cold Case

Police assumed a man missing for 30 years was dead ... until the victim had his "Aha!" moment.

By Laura Barcella

New Evidence In Missing Mom Beverly England Cold Case Could Point to Deadly Affair

For 36 years Beverly England's killer has roamed free. Now police say they finally have a suspect in her murder.

By Michelle Sigona

The Unsolved Murder of Teenager Kaitlyn Arquette

In "Who Killed My Daughter?", a mother searches for the truth behind her daughter’s tragic death.

By Paola Crespo

In Cold Blood: The Murder of Bonny Lee Bakley

She had a string of marriages – and famous suitors – but her final relationship with Robert Blake ended when she received a shot to the back of the head.

By Grace Srinivasiah

Cold Case Sleuths: An Interview with the CCIRI

Meet the mind behind the Cold Case Investigative Research Institute, a real-life detective club that tackles unsolved murders throughout history.

By The Lineup Staff

The Villisca Axe Murders

On a quiet summer night in Iowa, eight people were bludgeoned to death while they slept in their beds.

By The Lineup Staff

Cold Case: The Somerton Man

He's one of the most famous figures in Australian history ... only because police can't figure out who he was or what happened to him.

By The Lineup Staff

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