CDC security guards stopped White from driving into the campus on Friday before he parked near a pharmacy across the street and opened fire from a sidewalk. The bullets pierced “blast-resistant” windows across the campus, pinning employees down during the barrage. More than 500 shell casings were recovered, the GBI said.

The CDC shooter broke into a locked safe to get his father's weapons and wanted to send a message against COVID-19 vaccine.

The man suspected of opening fire outside the Atlanta headquarters of the Centers for Disease Control and Prevention on Friday had been critical of the Covid-19 vaccine, authorities said.A search of Patrick Joseph White’s home revealed written documents in which he indicated his discontent with the vaccine,