The 18-year-old assailant had already crashed his car in a ditch, walked around the outside of Robb Elementary School in Uvalde, Texas, while shooting, and fired at two men by the time he got to a propped-open door in the rear of the school and went inside.
He reached a fourth-grade classroom and started shooting into it from the outside. He went inside and locked the door with children and teachers inside. More gunfire was heard.
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