WASECA (AP) - The father of a 17-year-old boy who is accused of plotting to kill his family and attack his southern Minnesota school says there were no signs his son was having problems.

The father spoke with reporters Wednesday after a hearing for his son in Waseca.

He says he didn't know his son had a storage locker that police say contained bomb-making materials. And he wishes the teen would've asked for help before his April arrest.

The Associated Press doesn't generally identify juveniles accused of crimes and is not naming the teen's father to protect his son's identity.

Police say they found a 180-page journal in which the teen allegedly outlined plans for attacking Waseca Junior and Senior High School. A judge is keeping that journal under seal for now.

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