Kimberly A. Cheatle, who resigned after Donald J. Trump was grazed by a bullet as a candidate a year ago, pushed back against findings in a Senate report released on Sunday.

© Kenny Holston/The New York Times

The agency withstood criticism and a reckoning after a lone assassin grazed Donald J. Trump on the campaign trail. Today, recruiting is up.

© Doug Mills/The New York Times