"... During a September 11 press conference, a Jefferson County Sheriff’s Office spokesperson shared that investigators had learned Holly had been “ #radicalized by some #ExtremistNetwork,” but did not elaborate further. ..."

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Student Who Shot 2 Others at Colorado School Was ‘Radicalized,’ Officials Say

#DesmondHolly, 16, had been “ #radicalized by an #ExtremistNetwork,” authorities said.
#EvergreenHighSchool is part of #JeffersonCountyPublicSchools, a district that includes #ColumbineHighSchool, the site of a #SchoolShooting in 1999 that was one of the #deadliest in the #UnitedStates at the time.