"Kennedy is directly responsible for the villainization of CDC's workforce through his continuous lies about science and vaccine safety, which have fueled a climate of hostility and mistrust," one ex-employee wrote, according to the Associated Press news agency.

The 30-year-old shooter also tried to get into the CDC’s headquarters in Atlanta but was stopped by guards before driving to a pharmacy across the street and opening fire.

A Georgia man who opened fire on the U.S. Centers for Disease Control and Prevention headquarters, shooting dozens of rounds into the sprawling complex and killing a police officer, had blamed the COVID-19 vaccine for making him depressed and suicidal,