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ALLEGAN COUNTY, MI – A prosecutor asked that a teen accused of plotting a mass shooting at Allegan High School undergo a competency evaluation. The defendant, Mya Barron, 15, is charged as an adult. “The people believe that a competency evaluation is warranted in this matter,” Jonathan Blair, an assistant Allegan County prosecutor, wrote in court documents. “It is highly likely the defense will raise state of mind” as an issue, he said. “The same concerns that led to lodging (Barron at the Allegan County Juvenile Center) including, but not limited to personal safety, equally apply to a competency” evaluation. He said that mental-health services should be ordered, too. Related: Teen charged with plotting school shooting, stealing mother’s gun The case is before Allegan County District Judge Christopher Burnett. A motion hearing and probable-cause conference set for Thursday, Oct. 30, were postponed. Her next court appearance, a preliminary examination, is set for Dec. 4. The girl allegedly outlined plans to ram her father’s vehicle, loaded with gasoline and fireworks, through the school’s cafeteria windows. Her plan included to ‘shoot the cop in the lunch room, and just go trigger happy on anyone I see,’ Allegan police said in a written affidavit. She allegedly stole her mother’s Glock pistol and two loaded magazines from a safe. She is charged with safe breaking, a potential life offense; false report or threat of terrorism, a potential 20-year felony, and two lesser counts involving the firearm. Related: Police make arrest after investigating threat from Allegan Online student She is held on $75,000 bond. If released from the juvenile home, she must be supervised around-the-clock by an adult at her home. The FBI in Detroit contacted Allegan police on Sept. 19 after learning of the alleged threat. The girl told two others about the plot online, police said. She had no previous criminal record. She was a former student at the high school and was enrolled online.