What do a tall, faceless creature and two 12-year-old girls from Wisconsin have in common? In 2014, those girls pledged loyalty to internet meme Slender Man by stabbing their best friend in the woods. 

Sources:
Beware the Slenderman - HBO Films
"The Wicked" - Dateline 20/20
https://en.wikipedia.org/wiki/Slender_Man_stabbing
https://www.jsonline.com/story/communities/waukesha/news/waukesha/2021/03/04/slender-man-stabbing-anissa-weier-requests-her-release-what-we-know/6894513002/
https://www.oxygen.com/crime-news/anissa-weier-teen-in-slender-man-stabbing-has-exhausted-treatment
https://www.crimemuseum.org/crime-library/famous-murders/slender-man-stabbing/
https://allthatsinteresting.com/slender-man-stabbing

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