As the sprawling investigation unfolds, here’s an overview of the key figures involved and their alleged connections.

Maximilian Snyder, who has been charged with killing a California landlord, applied for a marriage license last year with Teresa Youngblut, who has been charged in connection with the fatal shooting ...

A woman charged in the fatal shooting of a U.S. Border Patrol agent in Vermont is scheduled to appear in federal court.

We were shocked and saddened,” said one resident of Newport, Vt., of the slaying of the US Border Patrol agent David Maland ...

A woman from Washington state has been charged in connection with the fatal shooting of a U.S. Border Patrol agent in Vermont ...

Authorities are investigating the fatal shooting of a U.S. Border Patrol agent near Canada that also left a suspect dead and ...

The woman, Teresa Youngblut, 21, of Washington state, faces two weapons charges in connection with the Jan. 20 death of ...

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

A woman has been arrested in connection with the fatal shooting of US Border Patrol agent earlier this week on a highway in ...

The U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives sent an alert to federally licensed firearms dealers a day after the shooting seeking information related to any gun purchases by Michelle ...

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

A Washington state woman has been charged in the fatal shooting of a U.S. Border Patrol agent in Vermont, which happened days ...