Wisconsin Woman Who Attacked Classmate in ‘Slender Man’ Stabbing Case Missing After Cutting Monitoring Device
A Wisconsin woman with a history of mental illness, who was involved in a notorious 2014 attempted murder linked to the online horror figure “Slender Man,” is at large after removing her electronic monitoring device and leaving a group home.
Morgan Geyser, now 23, was last seen around 8 p.m. Saturday with an adult acquaintance, according to a statement released by the Madison Police Department on Sunday. Authorities are urging the public to immediately contact 911 if they spot Geyser, who had severed a “Department of Corrections monitoring bracelet.”
Geyser was conditionally released from the Winnebago Mental Health Institute earlier this year and placed in a group home. Her release followed a 2018 plea of guilty to attempted first-degree intentional homicide, a deal reached with prosecutors to avoid imprisonment. The horrific incident that brought her into the legal system occurred in 2014, when she and a friend nearly killed a classmate.
Geyser’s attorney, Tony Cotton, expressed concern and urged his client to surrender. “It’s in her best interest for her to turn herself in immediately and not continue with this course of action,” Cotton stated in a Sunday Instagram video, directly addressing Geyser. “We don’t know any of the facts about what happened or who might have assisted her.”
The Madison Police Department revealed that they were not alerted to Geyser’s disappearance until nearly 12 hours after she left the group home. The state Department of Corrections initially received an alert Saturday night indicating a malfunction with Geyser’s ankle monitor. Approximately two hours later, the department contacted the group home, only to learn that Geyser was not present and had removed the bracelet.
An apprehension request was issued by the Department of Corrections shortly after midnight. However, the Madison Police Department did not receive notification of Geyser’s absence until the following morning when staff at the group home contacted them directly. The corrections department has not yet responded to requests for comment.
The case gained national attention when authorities revealed that Geyser and her accomplice, Anissa Weier, also 12 at the time, lured their classmate, Payton Leutner, to a park in Waukesha, Wisconsin, after a sleepover. Geyser then stabbed Leutner more than a dozen times while Weier reportedly encouraged the attack. Leutner miraculously survived the brutal assault.
Investigators later learned that the girls believed they were acting on behalf of the fictional internet character, Slender Man, and feared he would harm their families if they failed to comply with his demands. Created in 2009 by Eric Knudson, Slender Man began as a digitally altered image in online forums and quickly evolved into a widespread internet myth, appearing in video games, stories, and even a 2018 film.
Weier also pleaded guilty to attempted second-degree intentional homicide and was released from the psychiatric center in 2021. The incident sparked a broader conversation about the influence of internet culture and the mental health challenges faced by young people.
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