This modern monster was created in 2009, but has already inspired several real-world crimes. Here's the story of Slender Man and his terrifying legacy.

Add Yahoo as a preferred source to see more of our stories on Google. Morgan Geyser, who was living under supervised release at a group home in Wisconsin for her role in the high-profile 2014 stabbing ...

When they were just 12, Morgan Geyser and Anissa Weier lured their friend into the woods and attacked her — a violent act they believed would earn the approval of Slender Man, the internet-born ...

Geyser was found and taken into custody after she went missing from her group home in November 2025. Learn about the case known as the ‘Slender Man’ stabbing. Morgan Geyser, one of the two convicted ...

“Slender Man” stabber Morgan Geyser could be sent back to a mental institution after authorities asked a court to revoke her conditional release after she escaped from a Wisconsin group home to be ...

Ask those who know best about what makes this legend so frightening and you’re likely to hear something like this: Slender Man is scary not because of what you know about him, but because of what you ...

Morgan Geyser, who was living under supervised release at a group home in Wisconsin for her role in the high-profile 2014 stabbing of her 12-year-old classmate, was found late Sunday about 150 miles ...