HBO’s Beware the Slenderman documentary looks as scary as any fictional horror movie, but it’s based on real-life events.
The viral, internet-based, fictional Boogeyman known as “Slenderman” was the inspiration behind two young girls’ real-life attempt at murdering one of their classmates. HBO’s upcoming documentary explores this terrifying true-crime tale.
Beware the Slenderman premieres January 23 on HBO.
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