'Beware the Slenderman' explores the disturbing case that shocked the internet
HBO's gripping doc is a must-see expedition into chilling crimes.
The scariest creepypasta stories you haven't heard yet
You know Slender Man. But are you brave enough for these other horror stories?
HBO's 'Beware the Slender Man' explores the internet's 'dark basement'
Truth is stranger than fiction.