U.S. Secret Service Director Kimberly Cheatle resigned Tuesday following widespread outrage over how her agency failed to prevent the attempted assassination of former President Donald Trump at a Pennsylvania campaign rally earlier this month. Cheatle's resignation, as first reported by NBC News citing sources, came a day after she was blasted by members of a House committee at a hearing on the Secret Service's actions leading up to Trump's July 13 rally in Butler Township. At that hearing, Cheatle refused to resign, saying she was the best qualified person to head the Secret Service, which is responsible for protecting the president, vice president, their family members, and