Doctor: Girl thought horror character would hurt her family

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Doctor: Girl thought horror character would hurt her family
Anissa Weier is led out of the courtroom by a sheriff's deputy on Aug. 21, 2015 during the arraignment of the Slenderman stabbing trial in Waukesha County Court in Waukesha, Wis. The court entered a not guilty plea for them and moved to set a trial date in mid-October. (Michael Sears/Milwaukee Journal Sentinel/TNS via Getty Images)
Here Morgan Geyser is brought into court by a sheriff's deputy on Aug. 21, 2015 during the arraignment of the Slenderman stabbing trial in Waukesha County Court in Waukesha, Wis. The court entered a not guilty plea for them and moved to set a trial date in mid-October. (Michael Sears/Milwaukee Journal Sentinel/TNS via Getty Images)
Waukesha, Wisc., USA. 2nd July, 2014. A judge ordered a competency hearing for one of two Wisconsin 12 year-old girls accused of stabbing their friend to please the fictional Internet character "Slenderman" after experts deemed her mentally incompetent to proceed with her defense, July 2, 2014 in Waukesha, Wisc. © Michael Sears/Milwaukee Journal Sentinel/MCT/Alamy Live News
Waukesha, Wisc., USA. 2nd July, 2014. A judge ordered a competency hearing for one of two Wisconsin 12 year-old girls accused of stabbing their friend to please the fictional Internet character "Slenderman" after experts deemed her mentally incompetent to proceed with her defense, July 2, 2014 in Waukesha, Wisc. © Michael Sears/Milwaukee Journal Sentinel/MCT/Alamy Live News
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Girl, 12, proves incompetent to stand trial. 

(Photo by Twitter / @iChicagoNews)

Slender Man
The Slender Man - Teryn Cochron
LONDON, ENGLAND - OCTOBER 26: Yasmin Ouard poses as Slenderman from the series Mobile Hornets ahead of the MCM London Comic Con Expo at ExCel on October 26, 2012 in London, England. Visitors to the Comic Convention are encouraged to wear a costume of their favourite comic character and flock to the Expo to gather all the latest news in the world of comics, manga, anime, film, cosplay, games and cult fiction. (Photo by Dan Kitwood/Getty Images)
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Anissa Weier, accused of being involved in the stabbing of another girl related to the 'Slenderman' online story, is led into the courtroom on Thursday, Dec. 22, 2016 in Waukesha, Wis. (Michael Sears/Milwaukee Journal Sentinel/TNS via Getty Images)
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WAUKESHA, Wis. (AP) - An attorney for one of two young Wisconsin girls accused of repeatedly stabbing their classmate to please a fictional horror character is trying to convince a judge the child acted in self-defense.

Psychologist Deborah Collins testified during the second day of a preliminary hearing that the defendant has an unyielding belief in Slender Man. Collins testified the girl feared the creature Slender Man would hurt her and her family if she didn't kill her friend.

A private investigator hired by the defense testified he discovered more than 60 drawings of Slender Man in the girl's bedroom along with mutilated Barbie dolls marked with the character's symbol.

The two girls, ages 12 and 13, are charged in adult court with attempted first-degree intentional homicide. The victim survived the attack.

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