Trump reflected on the loss of Corey Comperatore, who attended the Butler rally and was killed protecting his family from gunfire.

The U.S. Secret Service has closed off the North Lawn of the White House and directed all press personnel to shelter in the James S. Brady Press Briefing Room, according to reports emerging Tuesday mo...

USSS interviews show that the main site agent was unprepared and undertrained, and fellow agents said she had no idea what she was doing in Butler.