Serial killers are real-life nightmares.

One woman's escape led police to a literal house of horrors.

This serial poisoner lured numerous suitors to their deaths, until her toxic ways resulted in a a one-way ticket to the electric chair.

From the Vampire of Düsseldorf to the Killer Clown of Chicago, these creepy serial killer quotes are sure to make your blood run cold.

Some victims died because they happened to leave their doors unlocked. Others had been methodically stalked.

From a deadly lovers' quarrel to the grisly killings of John Wayne Gacy, uncover the murder behind the melody in these haunting ballads.

From Nazi nut-sos to commonplace quacks, these monsters of malpractice have but one diagnosis in mind: death.

We see London, we see France, we see a Russian granny chopping up bodies with her bare hands.

The brutal slayings shocked the citizens of Australia and beyond. 

The grisly crimes of these international killers prove madness knows no bounds.

True crime writer Fred Rosen describes what it felt like to come face-to-face with serial killer survivor Nita Neary.

From incriminating parking tickets to damning digital footprints, uncover the key clues that brought these notorious killers to justice.

Get inside the mind of the murderer.

This Hungarian fiend lured dozens of women to his village home with promises of love – then strangled each victim and pickled their bodies in metal drums.

From Gacy's bucket of fried chicken to McVeigh's bowl of ice cream, dig in to the last meals of America's death row inmates.

John Wayne Gacy plays muse to Sufjan Stevens in this haunting melody.