The acting director of the Secret Service says the agency is “reorganizing and reimagining” its culture and how it operates following an assassination attempt against Donald Trump on the campaign trail in July.

The U.S. Secret Service’s acting director told a U.S. House of Representatives panel on Thursday that he has overhauled the agency's security practices after a gunman shot President-elect Donald Trump in July.

The House Republican took issue with acting Secret Service Director Ronald Rowe's appearance at the most recent Sept. 11 remembrance ceremony at ground zero.