Morgan Geyser, one of two people convicted in the 2014 Slender Man stabbing, had been missing after she cut off her DOC monitoring bracelet.

The woman convicted of brutally stabbing her sixth-grade classmate to please the fictional horror character "Slender Man" was apprehended in Illinois after having left her Wisconsin group home with a 43-year-old man, officials said.

Morgan Geyser, the assailant in the Waukesha, Wisconsin Slender Man stabbing, is in court Tuesday after her arrest in Posen, Illinois.

A woman who pleaded guilty to stabbing her sixth-grade classmate in 2014 is back in custody after Wisconsin police say she vanished from a group home where she lived under supervised release on Saturday night.

M organ Geyser, who in 2014 stabbed a friend 19 times to appease the fictional character "Slender Man," was located Sunday night after she allegedly cut off her Department of Corrections monitoring bracelet and left a Wisconsin group home where she had been a resident, authorities said.

Morgan Geyser stabbed a female classmate in what investigators said was an effort to appease Slender Man, a fictional supernatural character.

A judge's decision to release a Wisconsin woman who helped stab her sixth-grade classmate to please online horror character Slender Man from a mental health facility has left the victim's