After Donald Trump and his top aides rushed to portray Alex Pretti as a “gunman,” “domestic terrorist” and “would-be assassin” in the hours after he was shot and killed by Border Patrol agents, the president shuttled back and forth between the Oval Office and his adjacent private dining room, where he watched news coverage of the incident and fielded calls from concerned aides, lawmakers and other allies, according to two senior administration officials.

But as Trump absorbed clips of the fatal confrontation, and the news reports surrounding it, he grew increasingly disturbed by what he saw, according to one of the senior administration officials.