Wisconsin: Girl charged in Slenderman stabbing deemed incompetent

(CNN) -- One of the 12-year-olds charged with stabbing a friend to impress the fictional Internet bogeyman Slenderman was deemed incompetent to stand trial Friday -- at least for now -- according to court documents.

After debate between prosecutors and the defense over whether a competency test would violate Morgan Geyser's rights, the judge asked the girl whether she was competent.

"Court finds the defendant is standing mute," court documents show.

Dr. Brooke Lundbohm told the Waukesha County, Wisconsin, court that Morgan believes she has mind-control capabilities and can talk to Harry Potter villain Lord Voldemort, according to CNN affiliate WITI. She believes in unicorns, Lundbohm told the court.

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