Woman in Slender Man stabbing is missing after cutting off monitoring device, authorities say [View all]

Source: LA Times

A Wisconsin woman who admitted to nearly stabbing a classmate to death at age 12 to please the online horror character Slender Man is missing after she cut off an electronic monitoring device and left a group home, authorities said Sunday.

Madison police issued an alert Sunday for Morgan Geyser, now 23, saying she was last seen around 8 p.m. Saturday with an adult acquaintance.

“If you see Geyser, please call 911,” the alert said, adding that she had cut off a “Department of Corrections monitoring bracelet.”

Geyser was placed in a group home this year after being granted conditional release from the Winnebago Mental Health Institute. She was sent to the psychiatric institute in 2018 after pleading guilty to attempted first-degree intentional homicide in a deal with prosecutors to avoid prison. The stabbing happened in 2014.

Read more: https://www.latimes.com/world-nation/story/2025-11-23/woman-in-slender-man-stabbing-is-missing-walked-away-from-group-home