A U.S. Border Patrol agent was fatally shot on a highway in northern Vermont south of the Canadian border, authorities said.

A Customs and Border Protection source has identified the Border Patrol agent shot and killed during a traffic stop Monday as David Maland, 44.

Vermont officials are mourning the loss of a U.S. Border Patrol agent killed in the line of duty near the Canadian border on Monday.

A lengthy gun and drug trafficking investigation by local and federal authorities has led to several arrests. Springfield Police spokesperson Ryan Walsh said that Springfield Police, along with the ATF,

Agent David Maland was killed Monday afternoon following a traffic stop, a U.S. Customs and Border Protection spokesperson said in a statement. A German national in the country on what the FBI called a current visa was killed and an injured suspect was taken into custody and is being treated at a local hospital.

"We had Border Patrol, I bet they had over 100 cars just from them," said Mike Kamerling, a Vermont State Police sergeant. "And then you had state police from both Vermont and New York and virtually every other law enforcement agency in the region.

Fallen Border Patrol agent David "Chris" Maland was honored Thursday with a procession attended by hundreds of law enforcement officers.

Vermont State Police are investigating the death of a Brattleboro man Thursday morning, who was an inmate at the state prison in Springfield.

The documents offer the clearest account yet of the days leading up to the fatal traffic stop but provide little insight into why the suspects were in Vermont.

Vermont State Police have completed the investigative report into the Shelburne police cruiser crash that killed 38-year-old cyclist Sean Hayes of Burlington. That report is now in the hands of the Chittenden County State’s Attorney’s Office.

The FBI has revealed little information about Monday’s fatal shooting of Agent David “Chris” Maland during a traffic stop. A German national who was in the U.S. on a current visa was also killed in the exchange of gunfire,