A U.S. Border Patrol agent killed during a traffic stop near the Canadian border worked security duty at the Pentagon during the time of the Sept. 11 attacks.

David Maland, 44, was a military veteran who worked security duty at the Pentagon during the Sept. 11 attacks, his family said.

A United States Border Patrol agent who was gunned down during a traffic stop in Vermont near the Canadian border was an Air Force veteran who worked at the Pentagon during 9/11, his family said in a statement following the shooting.