In 2014 pre-teen girls Anissa Weier and Morgan Geyser lured their friend Payton Leutner over for a birthday party with the intent to kill her in the name of Slender Man. To the girls, Slender Man was as real as could be and they were both terrified and enamored with him, and the only way to protect themselves was to sacrifice their friend. A hometown story for Brittney, dive in as Scarlet discusses the motives, the act, and most intriguing, the aftermath.

Sources: HBO Documentary, Beware the Slender Man; 20/20 Special; TMJ4 court room footage, Wikipedia, Creepy Pasta, ABC News