Morgan Geyser and Anissa Weier were found not guilty by reason of mental defect in the 2014 near-fatal stabbing of their friend Payton Leutner.

Slender Man” stabber Morgan Geyser could be sent back to a mental institution after authorities asked a court to revoke her conditional release following her escape from a Wisconsin

CHICAGO (WLS) -- The so-called "Slender Man" stabber was in a Chicago court room on Tuesday, Morgan Geyser waived extradition to Wisconsin. Geyser was found Sunday at a Posen gas station after escaping from a group home. Prosecutors said Geyser cut off her ankle monitor and traveling all the way here to Posen.

A 23-year-old Wisconsin woman who stabbed a classmate in 2014 to please a fictional character called Slender Man has been recaptured in Illinois after leaving a group home, officials say.

The woman convicted in the 2014 Slender Man stabbing will not fight extradition after her escape from Wisconsin.

WGN obtained body-worn camera footage that showed the moment officers located the Wisconsin woman convicted in the 2014 "Slender Man" stabbing after she escaped her group home and spent over 24 hours on the run.

Slender Man stabbing defendant Morgan Geyser was captured​ in Chicago's south suburbs after cutting off a monitoring bracelet, leaving a group home and going missing.

Wisconsin authorities have asked a state court to revoke the conditional release of Morgan Geyser, the woman who in 2014 almost killed her sixth grade classmate in the name of horror villain