DENVER — A 16-year-old boy who had been radicalized by an “extremist network” fired a revolver multiple times at a suburban Denver high school, wounding two students, authorities said Thursday.

Some students ran and others locked down during Wednesday’s shooting at Evergreen High School in the foothills of the Rocky Mountains. One of the victims was shot inside the school and another outside. The suspect, fellow student Desmond Holly, later died, officials with the Jefferson County sheriff’s office said.

Details on how Holly allegedly had been radicalized will be released at a later date, Jefferson County Sheriff’s Office spokesperson Jacki Kelley said during a Thursday news conference. Investigators were searching the suspect’s room, his backpack and his locker as they try to unravel th

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