The woman, who did not want her name used, told WLWT-TV in an interview Friday she made the connection after two 12-year-old girls were charged in Waukesha, Wis., with a violent knife attack on a classmate. The girls allegedly told police they were trying to pacify Slender Man, a character on the Creepypasta website.
While the two girls in Wisconsin have been charged as adults, the 13-year-old in Ohio is being treated as a juvenile. She is currently being held in the Hamilton County Juvenile Detention Center.
Her mother suffered minor injuries in the stabbing. She said she came home and found her daughter in the kitchen.
"She had her hood up and had her hands covered with her sleeves and the mask," the woman said. "She was someone else during that attack."
She said her daughter has told others that she does not remember stabbing her mother. She said she and her husband later searched the teenager's writings and found her musing on Slender Man and on killing.