(Photo by Jeremy Papasso/Digital First Media/Boulder Daily Camera via Getty Images and Madison Police Peep the Terrifying Trailer for HBO's 'Beware the Slenderman' Documentary HBO is dropping a ...

One of the perpetrators of the so-called Slender Man stabbing was found in Illinois Sunday after escaping a group home the day prior. Morgan Geyer's brief disappearance reignited nationwide interest ...

Illinois police captured Morgan Geyser, who was convicted in the 2014 stabbing of a classmate to appease Slender Man, an online character, after she fled a group home in neighbouring Wisconsin where ...

A perpetrator in the so-called Slender Man stabbing was found in Illinois Sunday after escaping a group home the day before. Morgan Geyser was charged with murder for the 2014 stabbing of her friend, ...