Morgan Geyser, a 23-year-old girl reportedly involved in the 2014 Slender Man case, has reportedly fled from a Wisconsin group home. According to reports, in 2014, Geyser was sent to the Winnebago Mental Health Institute. In January 2025, Judge Michael Bohren granted conditional release to Geyser.

Morgan Geyser was taken into custody in Illinois after leaving a Madison group home and removing her monitoring bracelet, according to Madison Police.