Explore more of The Lineup's spookiest stories.

Was it the result of a deadly drug dispute, or the work of a serial killer?

We Keep the Dead Close exposes the horrors behind a respected institution.

Can these true crime authors crack the notorious unsolved case?

Will justice ever be served?

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.

Sleep tight.

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.

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.