Unsurprisingly, movie execs fail to grasp exactly what makes the legend of a nefarious man in a business suit so terrifying to millennials. But understanding Slender Man and the psychology behind ...

Morgan Geyser, the now-22-year-old who was committed to a Wisconsin psychiatric facility following the stabbing of her best ...

Morgan Geyser and Anissa Weier were 12 years old in 2014 when they lured classmate Payton Leutner to a Wisconsin park and ...

Morgan Geyser, one of the two then 12-year-olds who said they attacked a friend to please the fictional character "Slender ...

An curved arrow pointing right. HBO is releasing a new documentary about Slender Man, a tall, shadowy monster that has terrified people on the internet for years. The character may be fake ...

Leutner barely survived her wounds. Geyser and Weier told investigators that they attacked her to earn the right to be Slender Man’s servants and to ensure Slender Man didn’t hurt them or ...

An curved arrow pointing right. HBO is releasing a new documentary about Slender Man, a tall, shadowy monster that has terrified people on the internet for years. The character may be fake ...