A judge will soon consider whether two young Wisconsin girls accused of stabbing a classmate to please a fantasy character called Slender Man should stand trial for attempted homicide.

The girls' preliminary hearing before Waukesha County Circuit Judge Michael Bohren is set to begin Monday and stretch into Tuesday. A preliminary hearing is the point in the criminal justice process where a judge decides whether the evidence warrants a trial.

Prosecutors say the girls stabbed classmate Payton Leutner in a Waukesha park in May to curry favor with Slender Man. All three girls were 12 at the time. One of the alleged attackers has since turned 13.

The Associated Press isn't naming the two girls because their cases may end up in juvenile court, where proceedings are secret.