A procession of law enforcement is being held in Burlington Thursday for David Maland, the Border Patrol agent killed in the line of duty last week in Coventry.

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.