EVERGREEN, Colo. -- Jefferson County, Colorado sheriff's investigators on Thursday identified the shooter who injured two before turning the gun on himself.

Officials said Desmond Holly, 16, was the suspect.

The gunfire at Evergreen High School broke out at about 12:24 p.m. local time, according to the Jefferson County Sheriff's Office.

Three students were taken to the hospital in critical condition following the gunfire, including the suspected shooter, who was injured by a self-inflicted gunshot wound, the sheriff's office said.

The sheriff's office confirmed the suspect died in a post on social media Wednesday evening.

They say preliminary information shows he was radicalized by an "extremist network," but they don't have clarity on that yet and are trying to better understand t

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