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Minn. teen plotted massacre, police say

MINNEAPOLIS — The 17-year-old Minnesota boy outlined his plan in a 180-page journal: kill his family, set a fire to divert first responders, then go to his school with bombs and guns and ‘‘kill as many students as he could,’’ according to court documents.

The planned attack in Waseca, a city of about 9,400 people about 80 miles south of Minneapolis, was halted this week when a concerned citizen became suspicious and called police. When authorities responded, they said they found guns, bombs, and other materials — all allegedly amassed by a teenager working alone as he methodically plotted his steps and conducted experiments to refine his plan to inflict bloodshed before being killed by responding officers.

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The teen was arrested this week and charged in juvenile court with multiple counts of attempted first-degree murder, possessing explosive or incendiary devices, and criminal damage to property. Prosecutors in Waseca County filed a motion Friday asking that he be charged as an adult, according to documents first obtained by KTOE-AM.

According to court documents, the teen wanted to ‘‘kill as many students as he could’’ by setting off pipe bombs and throwing Molotov cocktails, then shooting students as they rushed into the hall.

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