A fictional horror creature popularized by Internet memes is now linked to three violent crimes.

Photos from inside one of the Slender Man stabbing suspect's notebooks shows her drawings of the fictional character.

It's been five years since Peyton Leutner was stabbed repeatedly and left to die by classmates trying to please the fictional character "Slender Man." In an exclusive interview, Leutner reveals ...

Morgan Geyser will be released from a mental hospital after she nearly stabbed a classmate to death to please the horror character Slender Man.

Slender Man stabbing case: Judge approves facility move for Morgan Geyser Morgan Geyser, who was involved in the 2014 Slender Man stabbing, is set to be released from a mental institution and ...

Morgan Geyser, one of two people convicted in the Slender Man stabbing that took place more than a decade ago, appeared in court on Thursday, July 17.

A Wisconsin judge has approved releasing a woman from a mental hospital, more than a decade after she nearly killed a classmate to please the fictional horror character Slender Man. Experts ...