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.

Sydney Smith: Scotland's Real Sherlock Holmes

The pioneering forensic specialist solved gruesome crimes and created new investigative methods.

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.

Which State Has the Most Serial Killers—and Why?

It's known for its untouched wilderness and shockingly high rate of murderers.

Who Massacred 8 Members of Ohio's Rhoden Family?

The local sheriff declared the killings the “most brutal” he had ever seen.

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?