(NEWSER) – Police still don't know why 15-year-old Jared Padgett shot and killed a fellow student at Reynolds High School in Oregon yesterday, only that Padgett seemed intent on killing many more people. Padgett brought an AR-15 rifle to school in a guitar case, right on the school bus, reports KOIN-TV. He also had a semiautomatic handgun, though he didn't use it, along with a large knife, a camouflage helmet, an ammo vest, and nine loaded magazines with several hundred rounds, reports the Oregonian.

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