Federal agents are investigating after a US Border Patrol agent was shot and killed Monday afternoon on the highway in Vermont.

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.

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.

A U.S. Border Patrol agent, who was shot and killed Monday during a traffic stop in Vermont, has been identified as David C. Maland, federal and state officials announced Tuesday.

Officials said the agent was shot on Interstate 91, which was closed for several hours near the border with Canada.

A United States Border Patrol agent was gunned down during a traffic stop in Vermont near the Canadian border, officials have confirmed. It happened around 3:15 p.m. Monday on Interstate 91 in Coventry, 20 miles from the Northern border, according to the Department of Homeland Security.

The FBI and local law enforcement were investigating a shooting involving a United States Border Patrol agent in Coventry, Vermont.

Vermont State Police said this happened on Interstate 91 in the town of Coventry. Carrie Underwood performs acapella after technical glitch at inauguration Archaeologists Are Finding Dugout Canoes in the American Midwest as Old as the Great Pyramids of Egypt Self-made billionaire: You need to understand 3 things to lead a successful life—even 'couch potatoes' can use them My Roku kept freezing.