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.

David "Chris" Maland, 44, was fatally shot in the line of duty on Tuesday in Coventry, Vermont, according to the Vermont State Police. Maland was an agent with the U.S. Border Patrol Swanton Sector and was conducting a traffic stop at the time.

Agent David “Chris” Maland died in a shooting following a traffic stop, the FBI said. A second person killed in the incident was a German national in the country on a current visa, authorities said.