 The Secret Service has taken criticism from some after the gunman, Thomas Matthew Crooks, was able to ascend to an adjacent rooftop with a clear line of sight of the president. But at yesterday's White House briefing, Secretary Mayorkas said he's still confident in the agency. I have 100 percent confidence in the director of the United States Secret Service. I have 100 percent confidence in the United States Secret Service. In an interview with ABC News, Secret Service Director Kimberly Cheadle takes responsibility for what happened.