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,

The U.S. CDC has tightened security following an attack Friday on its Atlanta headquarters that left a police officer and the gunman dead, including having employees work from home on Monday and removing vehicle decals showing where they work.