Morgan Geyser, who pleaded guilty to stabbing a classmate 19 times in 2014 to become fictional horror character Slender Man's ...

A woman who pleaded guilty to the 2014 stabbing of her sixth grade classmate is back in custody after Wisconsin police say she broke out of the group home where she lived under supervised release ...

Geyser and a friend lured a classmate to the woods and stabbed her 19 times in 2014. She moved from a psychiatric facility to ...