The gunman who opened fire Friday at the US Centers for Disease Control and Prevention broke into his father’s safe to get the five firearms recovered at the scene, state investigators said Tuesday, as some CDC workers seeking answers and reassurance from leadership were left dissatisfied by a short agency-wide meeting about the shooting.

Authorities also confirmed that they had recovered "written documentation that expressed the shooter’s discontent with the COVID-19 vaccinations."

Patrick Joseph White, 30, of Kennesaw, Georgia, has been identified as the suspected shooter in the incident, according to the Georgia Bureau of Investigation. He died during the incident.

A Georgia man who had blamed the COVID-19 vaccine for making him depressed and suicidal has been identified as the shooter who opened fire late Friday on the U.S. Centers for Disease Control and Prevention headquarters,

An Atlanta shooting that left a police officer dead may have resulted from the shooter’s skepticism about the COVID-19 vaccine, according to reports about the deceased gunman’s and past comments.