By Abigail O’Leary A 15-year-old accused of killing a girl aged 10 after luring her to woods will be tried as adult . Chippewa County Judge Steven Gibbs, in a 22-page decision issued Monday, sided with the state in ruling that court proceedings in the slaying of 10-year-old Iliana “Lily” Peters will remain in adult court, the Milwaukee Journal Sentinel reported. Gibbs recently heard arguments from lawyers representing the suspect who sought to have the case moved to juvenile court. They argued the teen would receive better treatment in the juvenile system. The teen, listed in court documents a…