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.

The weapon that killed Agent David Maland last week in northern Vermont was bought by a person of interest in a double murder two years ago in Delaware County, state police say.

The fatal shooting occurred Jan. 20 in Vermont when Border Patrol agent David Maland stopped a vehicle on Interstate 91, about 20 miles south of the Canada border.

Teresa Youngblut was ordered held without bail in connection with the death of U.S. Border Patrol agent David Maland in a case that has grown to encompass killings in multiple states.

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

The FBI announced the arrest of a suspect Friday in the killing of U.S. Border Patrol Agent David "Chris" Maland near the Vermont-Canada border.

Prosecutors were set to argue on Thursday that a Washington state woman should remain jailed in connection with the death of a U.S. Border Patrol agent in a case that has grown to encompass killings in multiple states.

Teresa Youngblut, the woman charged in the shooting death of U.S. Border Patrol Agent David "Chris" Maland, has a detention hearing on Jan. 30.

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

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

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.

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.