United States — United States Postal Service & Nasir Best

United States — United States Postal Service: The United States — United States Postal Service>>> was directly involved in the shooting, with its officers returning fire and securing the area. The incident highlights ongoing security challenges for the agency.

Nasir Best: Nasir Best>>> was the assailant in this event, firing at Secret Service officers near the United States — White House and subsequently being fatally shot. He had a history of mental health issues and prior encounters with the Secret Service.

United States — United States Postal Service: The United States — United States Postal Service>>> is involved in the security aspects of the White House and has requested funding for security enhancements related to the ballroom.

Nasir Best: Nasir Best was identified as the gunman who opened fire near the White House security perimeter, an incident that the United States — United States Department of Justice cited as a reason to lift the ballroom injunction.