One of two Wisconsin girls who tried to kill a classmate to win favor with a fictional horror character named ‘Slender Man’ has been sentenced to 25 years in a mental hospital. Anissa Weier pleaded guilty in August to being a party to attempted second-degree intentional homicide, but claimed she wasn’t responsible for her actions because she was mentally ill. On Thursday the 16-year-old Weier was sentenced to be hospitalized for 25 years from the date of the crime, which would keep her institutionalized until age 37. She and Morgan Geyser lured Payton Leutner into a wooded park near Milwaukee in 2014, where Geyser stabbed Leutner 19 times while Weier urged her on. All three girls were 12 years old at the time.
