US Centers for Disease Control and Prevention Director Susan Monarez vowed to rebuild trust with the American public after the agency was the target of a deadly shooting last week, but some staff were frustrated that she didn’t offer more information on safety.

Employees at the Centers for Disease Control and Prevention now fear going to work after a gunman sprayed bullets at the agency’s Atlanta headquarters Friday evening, three agency staffers said. “Even the ones who weren’t in lockdown for seven hours and are ridiculously traumatized