The brutal, unsolved summer mystery continues to haunt Finland and beyond.

Dive into real-life cold cases, supernatural phenomena, and more.

It's a murder mystery—but this is no game.

The search for one victim led to the discovery of countless others... and to the ice-cold trail of an unknown killer.

Justice was finally served. 

Lock your doors.

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

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

Now's your chance to put your sleuthing skills to the test.

Her burned and beaten body was found along a lonely country road. Who was the "Pyjama Girl"?

Her brutal slaying electrified the community with terror, sadness, and a demand for justice.

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

Can you crack the code to this baffling cold case?

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

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

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.

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

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

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

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.