One of the two young women convicted in the 2014 Slender Man stabbing death of a classmate in Wisconsin has filed a petition seeking conditional release from a state mental health facility.
Morgan Geyser, 21, was initially sentenced in 2018 to up to 40 years of state mental health supervision after being found not guilty by reason of insanity.
According to court records, Geyser asked a Washington County judge for his release, but he withdrew an earlier petition for early release in 2023 and 2022.
In 2014, Geyser and Anissa Weir were just 12 years old when they stabbed another girl, Peyton Leutner, to appease the fictional horror character Slender Man.
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FILE: Morgan Geyser is escorted from the courtroom after his sentencing in Waukesha, Wisconsin, on February 1, 2018. (Rick Wood/Milwaukee Journal Sentinel via AP, Pool)
Prosecutors said Geyser and Weier lured Leutner to a wooded area in Waukesha after a sleepover in May 2014. Geyser stabbed Leutner repeatedly at Weier's urging, prosecutors said.
Leutner was left for dead, but survived when he was found crawling out of the woods and riding his bicycle.
Wisconsin woman charged with stabbing of “slender man'' requests early release from mental health facility

FILE – In this Dec. 21, 2017 file photo, Anissa is one of two Wisconsin schoolgirls who tried to kill a classmate to gain the favor of a fictional horror character named Slender Man. Weir is being led into court for a sentencing hearing in Waukesha. A Wisconsin judge on Thursday, July 1, 2021, ordered the release of a woman convicted of her 2014 stabbing death. Earlier this year, Weier asked Waukesha County Judge Michael Bolen to release her from the Winnebago Mental Health Institute, arguing that she is no longer there. A threat to everyone. (Michael Sears/Milwaukee Journal Sentinel, via AP, File)
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Weier, who was previously charged with an assault in 2017, was granted conditional release in September 2021, requiring outpatient psychiatric treatment and GPS monitoring.



