Prison Pen Pals: Amanda Howard on Her Collection of Letters from Serial Killers

One cannibal killer even sent her a meaty recipe—and suggested she use herself as the main ingredient.

The Real Amityville Horror: A Look Back at the DeFeo Murders

The Amityville Horror was more than a mere haunting.

A House to Die For: A Look Back at The Blackpool Poisoner

Louisa Merrifield took advantage of her employer by murdering her in cold blood.

Who Killed Jaclyn Dowaliby?

Despite a conviction, the young girl's murder remains a mystery.

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...

Little House of Horrors: Laura Ingalls Wilder and the Bloody Benders

"Little House on the Prairie" could have been a lot more twisted.

Death on a Country Lane: Were the Chillenden Murders Truly Solved?

New evidence suggests that the murderer may not have been the man convicted.

Vanished from Summer Camp: Where Are Bonnie Bickwit and Mitchel Weiser?

They hit the road for a romantic summer adventure, and were never seen again.

Experts Reveal What Drives Mothers to Kill Their Kids

It's one of the most shocking crimes imaginable...

A Mother, Murder, and Munchausen: The Chilling Case of Gypsy Rose and MSBP

Gypsy was a murderer, investigators say, but she was also a victim of Munchausen syndrome by proxy.

The Body of H.H. Holmes Is Being Exhumed Right Now—Here’s Why

Did the sadistic "Murder Castle" serial killer fake his own death in 1896?

Murder in the Ozarks: Who Killed Rebekah Gould?

Her death remains one of the most mystifying cold cases in the state of Arkansas.

Who Murdered Sarah Ann Ottens in Her Dorm Room in 1973?

Her badly beaten body was sprawled out on her dorm room floor.