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

Watch out for axes.

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

Who lies buried in the grave of H.H. Holmes? Investigators now know the answer…

Investigators uncovered a truly disturbing scene...

Walburga's bizarre love affair cost her husband his life.

Did Holmes' reign of terror reach England?

This hotel hid secrets and bodies within its walls.

Did you know that Laura Palmer's death was inspired by a real-life murder case?

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

A dearth of usable cadavers in the Victorian era fueled the lucrative body-snatching industry. Here are five gruesome tales of those who dug up graves for profit.

Spending the night at the Lizzie Borden House sounds like a thrill, right? Think again.

Remembering the victims of this brutal murder spree. 

Were sinister forces behind the holiday tragedy?

The question remains: Was it a labor of love or madness?

A private investigator claims to have cracked the infamous case—and top Ripper experts are taking note.

He was one of the most prolific directors in Hollywood—until he was fatally shot by an unknown killer in his Westlake home.

"I was born with the devil in me."