Public health workers and gun safety advocates gathered at a rally Tuesday night to commemorate last week’s deadly shooting near Emory University and the Centers for Disease Control and Prevention, and demand policy changes to prevent future instances of gun violence.

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,

Four CDC workers, who were not authorized to speak publicly, told CBS News under the condition of anonymity that they were "deeply disappointed and frustrated" by an apparent lack of leadership following Friday's shooting​.

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.

The man accused of killing a police officer while shooting at the U.S. Centers for Disease Control and Prevention (CDC) headquarters in Atlanta had previously been reported to police for suicidal thoughts and launched the deadly attack with his father’s weapons to send a message against COVID-19 vaccines,