Prosecutors are arguing why a Washington state woman should remain jailed in connection with the death of a U.S. Border Patrol agent.

A United States Border Agent was shot and killed during a traffic stop in Vermont near the Northern border, Fox News has confirmed.

Here are four new details emerging in the bizarre and tragic shooting of U.S. Border Patrol Agent David "Chris" Maland in Vermont on Inauguration Day, including the killers' link to a "violent transgender commune.

A woman has been arrested in connection with the fatal shooting of US Border Patrol agent earlier this week on a highway in Vermont close to the US-Canadian border, the FBI office in Albany said Friday.

Associates of woman in Border Patrol agent's shooting death tied to other homicides in Pennsylvania and California.

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 shot and killed in Vermont on Monday, according to The Department of Homeland Security.

A 21-year-old Washington state woman was arrested Friday for allegedly shooting a US Border Patrol agent to death in Vermont earlier in the week, according to federal authorities.

Teresa Youngblut, 21, has been charged in the killing of Vermont-based Border Patrol Agent David Maland, which occurred on Monday.

The two people involved in the fatal shooting of Vermont U.S. Border Patrol Agent David “Chris” Maland have been identified. Teresa Youngblut, 21, of Washington state, has been charged with assault on a federal law enforcement officer and is also facing a firearms charge.

Teresa Youngblut appeared in U.S. District Court in Burlington for a detention hearing following her initial appearance earlier this week. NBC5 was in the courtroom for Thursday's hearing.