This is all about the legend of Slenderman, and the three girls who took the legend way too far. Happy Thanksgiving!!! 

Song: Cameron Dodds

Sources:

https://techcrunch.com/2014/06/30/the-story-of-slenderman-the-internets-own-monster/

https://creepypasta.fandom.com/wiki/The_Slender_Man

https://www.oprahmag.com/entertainment/tv-movies/a29591703/slender-man-stabbing-true-story/