Slender Man stabbing.
2014 attempted murder in Waukesha, Wisconsin where two girls stabbed a friend to please a fictional character

Wisconsin Woman Who Attacked Classmate for Slender Man Vanishes from Group Home
A Wisconsin woman who admitted to a violent 2014 attack inspired by the online horror character Slender Man is missing, authorities confirmed Sunday. According to The Associated Press , Morgan Geyser, 23, was last seen…
Reporting · 1 source · Nov 23, 2025Read itThe journal
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About Slender Man stabbing
On May 31, 2014, in Waukesha, Wisconsin, United States, two 12-year-old girls, Anissa Weier and Morgan Geyser, lured their friend Payton Leutner into a forest and stabbed her 19 times in an attempt to appease the fictional character Slender Man. Leutner crawled to a road where she was found, and recovered after six days in the hospital. Weier and Geyser were found not guilty by mental disease or defect and committed to mental health institutions for sentences of 25 years to life and 40 years to life, respectively. After seven years, Weier was granted early release and will be under supervision until age 37.
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