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WASECA, Minn. - A 17-year-old Waseca boy has pleaded not guilty to charges that he plotted to kill his family and then stage an attack on his school.

John LaDue wore arm and leg shackles and an orange jumpsuit as deputies escorted him into the courthouse for his appearance Monday in Waseca County. He answered Judge Gerald Wolf's questions in a calm, clear voice.

Prosecutors say LaDue outlined his plan for a school attack in a 180-page journal. He was arrested at a storage locker that authorities say contained bomb-making materials, and had numerous guns in his room.

Wolf ordered a study to determine whether the boy should be charged as an adult. The study will include psychological exams and is expected to take several weeks.

Minneapolis Criminal Defense Attorney Christa Groshek joined KARE 11 Sunrise to share some insight on what goes into the decision to charge a teen as an adult.

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