 into the assassination attempt on the Republican nominee for president. 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.