The Trailer for 'Beware the Slenderman' Is Spooky as All Hell

The Trailer for 'Beware the Slenderman' Is Spooky as All Hell
There's not much non-fiction out there that's as scary as the evening news, but HBO's next documentary will surely leaving you shaking in your seat.

Beware the Slenderman follows the story of two young girls who stabbed a stranger after they believed they were being controlled by the Slenderman.

The Slenderman, for the uninitiated, is a fictional character that was designed in a Photoshop contest and quickly became a meme. He is incredibly tall and skinny, and bears no face.

Watch the truly unnerving trailer for Beware the Slenderman below. The film is coming to HBO on January 23.