Sources: Security guard fired weapon during STEM School shooting

HIGHLANDS RANCH, Colo. – A security guard at STEM School Highlands Ranch fired his weapon during the school shooting on Tuesday, according to sources.

A bullet went past sheriff’s deputies who entered the school, sources told FOX31.

An investigation is underway to determine if any students were hit and the circumstances around the gun being fired, the sources said.

According to the guard’s attorney, he is a Marine Corps veteran and former Jefferson County Sheriff’s deputy. He has worked at the  STEM School since the beginning of the school year.

“My client acted according to how he was trained and acted in the best interest of protecting children and the faculty that were present in the building,” attorney Robert Burke said.

Full coverage of STEM School Highlands Ranch shooting

An 18-year-old man and a juvenile are accused of going into the school and opening fire at two locations.

Kendrick Castillo, 18, was killed in the shooting. Eight other students were wounded.

Castillo and at least two other students are believed to have subdued one of the shooters.

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