A teenager in Arizona is charged with terrorism when he confronting a girl with a knife and later was found with a backpack full of restraining devices and weapons.
The 14-year-old boy told police that he planned to hold his class hostage, Maricopa County.
When the teen was arrested two weeks ago, county officials said he had plotted a "Columbine-like" scenario, comparing his plans to the 1999 deadly shooting massacre at Colorado's Columbine High School.
The teen also was charged with aggravated assault with a deadly weapon and kidnapping, as well as a misdemeanor count of carrying a weapon on school grounds, Thomas said Monday.
He will be tried as an adult, said Barnett Lotstein, a spokesman for Thomas.
The boy was arrested at his home in Mesa on March 23. Police said they discovered weapons in his backpack, including a .25-caliber handgun loaded with a full clip of bullets and one in the chamber, plus a box of 28 rounds of ammunition, Mesa Police spokeswoman Diana Tapia said.
Police also found three large knives, a lock, a metal chain and two rolls of duct tape in the backpack, Tapia said.
Police said they were alerted by a girl who said the boy confronted her with a knife.
Holly Hosac, another Mesa police spokeswoman, said the teen was a good student but apparently had trouble with another boy at school.
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