Trailer of the Day: HBO’s Slenderman Documentary has the Scariest Trailer of the Year

The world’s a scary place, but when Slender Man is involved, it gets even scarier.

Exploring the sorted history of the Internet folktale Slenderman, HBO’s new documentary Beware the Slenderman details the real-life, horrific consequences of Internet myth-making. The trailer gets into the spread of Slenderman and how a meme can lead to violent crimes committed by children.

via Wiffle Gif

Part Making a Murderer, part The Nightmare, Beware the Slenderman looks like it’ll be the scariest documentary of the year.