In many ways, the assassination attempt against Donald Trump at a Pennsylvania campaign stop was a perfect storm of failings coming together that allowed 20-year-old Michael Thomas Crooks to climb on...

A U.S. Senate report released on Sunday said a "cascade" of failures allowed a gunman to shoot at Donald Trump during a campaign rally last year and faulted Secret Service discipline including the la...

For the first time since she resigned in the aftermath of the attempted assassination of Donald J. Trump a year ago, Kimberly A. Cheatle, the former Secret Service director, pushed back publicly on c...