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The Slender Man Stabbing: 5 Shocking New Updates On Morgan Geyser, Anissa Weier, And The Victim In 2025

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The Slender Man stabbing case, a horrific event from May 2014 that shocked the world, continues to generate significant legal and public interest, with major developments occurring as recently as late 2025. This case involved two 12-year-old girls, Morgan Geyser and Anissa Weier, who lured their friend, Payton Leutner, into a wooded area in Waukesha, Wisconsin, and stabbed her 19 times in an attempt to appease the fictional horror character known as Slender Man. The decade-old crime remains a chilling example of the dark intersection between mental illness, childhood delusion, and the unmonitored influence of internet "creepypasta." New court filings, conditional release decisions, and a high-profile escape attempt in 2025 have brought the perpetrators back into the headlines, prompting renewed scrutiny of the justice system's handling of juveniles found not guilty by reason of mental disease or defect.

The Perpetrators: Morgan Geyser and Anissa Weier Biography Profile

The two young women at the center of the Slender Man stabbing have distinct legal and mental health profiles that led to different outcomes in their sentences and conditional release statuses.
  • Full Name: Morgan E. Geyser
  • Date of Birth: May 10, 2002 (Age 12 at the time of the crime)
  • Role in Crime: The primary stabber.
  • Conviction: Pleaded not guilty by reason of mental disease or defect (NGI) to one count of attempted first-degree intentional homicide.
  • Diagnosis: Diagnosed with early-onset schizophrenia and psychotic spectrum disorder. Her attorneys also later noted diagnoses including post-traumatic stress disorder (PTSD) and anxiety disorders.
  • Sentence: Sentenced in 2018 to a maximum of 40 years to life in a mental health institution, with annual reviews.
  • Current Status (Late 2025): Was conditionally released from the Winnebago Mental Health Institute to a group home in 2025, but was captured after cutting off her GPS monitor and escaping in November 2025. The state is now seeking to revoke her conditional release.
  • Full Name: Anissa A. Weier
  • Date of Birth: October 10, 2001 (Age 12 at the time of the crime)
  • Role in Crime: Conspired with Geyser and encouraged the attack.
  • Conviction: Pleaded not guilty by reason of mental disease or defect (NGI) to one count of attempted second-degree intentional homicide.
  • Diagnosis: Diagnosed with a shared delusional disorder (folie à deux) and was found to be mentally ill.
  • Sentence: Sentenced in 2017 to 25 years to life in a mental health institution, with conditional release eligibility after three years.
  • Current Status (2025): Granted conditional release in 2021. She was released to live with her father in Waukesha County under strict supervision, including around-the-clock GPS monitoring.

The Five Most Shocking and Recent Updates of the Slender Man Case

The legal proceedings for Morgan Geyser and Anissa Weier, as well as the quiet life of the survivor, Payton Leutner, have seen major updates in 2024 and 2025, confirming that the case is far from closed.

1. Morgan Geyser’s Conditional Release and November 2025 Escape Attempt

The most recent and dramatic development involves Morgan Geyser, who spent over a decade institutionalized at the Winnebago Mental Health Institute. In early 2025, a Waukesha County Circuit Judge approved a conditional release plan for Geyser, allowing her to transition from the psychiatric facility to a secure group home. This decision was based on testimony from doctors who noted her significant improvement, though she still suffers from anxiety and post-traumatic stress disorder. However, the terms of her freedom were short-lived. In November 2025, Geyser cut off her GPS monitoring device and fled the group home, triggering a multi-day manhunt. She was eventually captured, and the state of Wisconsin immediately moved to revoke her conditional release, arguing that her flight demonstrated a failure to comply with the terms of her supervised freedom. This escape attempt has cast a spotlight on the inherent risks and systemic challenges of the NGI release process.

2. Anissa Weier’s Successful Conditional Release and Current Life

In stark contrast to Geyser's recent struggles, Anissa Weier has maintained her conditional release, which was granted in 2021. Weier was released to live with her father, subject to intense scrutiny and a strict set of rules that include GPS monitoring, regular check-ins, and limitations on her internet access. Her release came after she spent nearly four years at the mental health institute. The court recognized that Weier’s involvement was largely due to a shared delusional episode, and her mental state had stabilized significantly. Her continued compliance with the conditions of her release is a key entity in the ongoing public conversation about rehabilitation versus punishment in the juvenile justice system.

3. Morgan Geyser’s Final Appeal to Juvenile Court Denied

In a legal setback that preceded her conditional release, Morgan Geyser lost her final appeal to have her case moved from adult court to the juvenile system. Geyser’s defense team argued that she was a severely mentally ill child at the time of the crime and should have been tried in a court designed for minors, which would have capped her institutional commitment at age 25. The Wisconsin 2nd District Court of Appeals upheld the original decision to charge her as an adult. This ruling confirmed that, despite her age and mental defect finding, the severity of the attempted intentional homicide—stabbing her friend 19 times—justified the adult court’s jurisdiction. This legal battle is a critical component of the case's long-term topical authority, highlighting the complexities of Wisconsin's "waiver" laws.

4. The Survivor, Payton Leutner, Speaks Out on Her Recovery

The victim of the attack, Payton Leutner, has largely maintained a private life but has spoken out in recent years about her recovery and the lasting impact of the Slender Man stabbing. Leutner, who was 12 at the time, survived the brutal attack only because she managed to crawl out of the woods to a roadside where she was found by a cyclist. Her journey is a testament to resilience. Updates in 2025 confirm that she is continuing to pursue her education and a normal life, despite the physical scars and the psychological trauma of the event. She has expressed a desire for the public to focus on her recovery and success rather than the sensational nature of the crime, a crucial perspective often overlooked in the media's focus on the perpetrators.

5. The Slender Man Mythos and its Enduring Cultural Impact

The entire case is inextricably linked to the Slender Man mythos, a fictional supernatural character that originated as a creepypasta on the Something Awful forums in 2009. The girls believed that by killing their friend, they would become "proxies" of the Slender Man and be granted access to his mansion. The case remains a permanent fixture in the study of internet culture, delusional disorder, and the psychological vulnerability of young people to online phenomena. The legal and medical entities involved—including psychiatrists, judges, and the Waukesha Police Department—all had to grapple with the reality of a crime committed under the influence of a fictional entity, solidifying the Slender Man stabbing as a landmark case in digital-age jurisprudence.

The Long-Term Ramifications of the NGI Verdict

The core legal finding for both Geyser and Weier was Not Guilty by Reason of Mental Disease or Defect (NGI). This verdict is a critical entity in the case's complexity. It means the court agreed that while the girls committed the attempted murder, they were not criminally responsible because a severe mental illness prevented them from understanding the wrongfulness of their actions. This NGI status is what led to their commitment to the Winnebago Mental Health Institute, a psychiatric facility, rather than a prison. The length of their commitment is indeterminate, based on their mental health status, up to the maximum sentence they would have received if convicted. This is why Morgan Geyser's escape in 2025 is so significant: it challenges the system's ability to manage and safely reintroduce individuals with a history of severe psychosis and violent crime back into society through conditional release. The ongoing legal battle over her revocation will set a precedent for future NGI cases in Wisconsin.
waukesha stabbing slender man
waukesha stabbing slender man

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