The Evergreen High School shooter fired off approximately 20 rounds from a revolver inside and outside of the school, according to the Jefferson County Sheriff’s Office.

The shooting took place around 12:30 p.m. on Sept. 10, with alleged shooter Desmond Holly, 16, entering the school and firing at students, eventually critically injuring two students — one outside of the school and one inside. Holly eventually shot and killed himself.

Both of the victims remain in critical condition. One of the victims was identified as Matthew Silverstone, who had just turned 18 the day before the shooting.

The whole event lasted nine minutes, according to a news release from the sheriff’s office.

Holly allegedly entered the school with a revolver and fired and reloaded “on and on and on,” Jefferson C

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