In the 2000s, the New Mexico desert became a graveyard for 11 females and an unborn child--their lives taken by a serial killer who became known as The West Mesa Bone Collector. His victims' stories echo for justice.

A Pennsylvania woman was found dead in her car in 2014 after getting into an argument with her boyfriend. The cause of her death is unknown.

It’s been 25 years since the French producer's murder in West Cork, which shocked the normally crime-free region of Ireland. But the unsolved crime continues to make headlines due to controversy around the case’s main suspect, English journalist Ian Bailey.

Twenty years after actor Robert Blake’s hugely sensational 2005 murder trial ended in his acquittal, the shooting death of his wife Bonny Lee Bakley remains officially unsolved.

Retired investigator Joe Kennedy established a coalition of active and retired investigators who help police departments in the U.S. solve cold cases. A&E True Crime spoke with Kennedy about how advances in DNA analysis have revolutionized such investigations.

The mysterious multiple disappearances of Hannah Upp have been a public fascination for years—but are we any closer to finding answers?

The body of the Fuquay-Varina, North Carolina woman was found in a ditch with injuries consistent with being thrown or dragged from a moving vehicle.

In the 1960s, an unidentified serial killer terrorized London sex workers. The Hammersmith Nude Murders remains one of Britain's most infamous unsolved crimes.

Nearly 20 years ago, retired NYPD detectives started tracking the suspicious drownings of young men across the country after they discovered a graffiti smiley face near at least a dozen locations where they found bodies.

On December 28, 1956, the Grimes sisters, 15 and 12, left home to watch heartthrob Elvis Presley in Love Me Tender in Chicago. Six decades later, their inexplicable murder remains unsolved.