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

The California suspect was listed on a marriage application with a woman accused of killing a Border Patrol agent. They ...

A man accused of murder in California appears to have sought a marriage license with a woman charged in connection with the ...

The U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives sent an alert to federally licensed firearms dealers a day after ...

A Washington state woman charged in connection with the fatal shooting of a U.S. border patrol agent in Vermont had been in ...

Texas Public Safety Department Lt. Chris Olivarez breaks down the shooting between suspected Mexican cartel members and ...

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

The shooting on Monday in Vermont near the Canadian border followed the surveillance of an armed couple who dressed in black ...

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

The woman accused of shooting and killing a U.S. Border Patrol agent will remain behind bars.Teresa Youngblut allegedly shot ...

New details regarding the fatal shooting of Minnesota-born U.S. Border Patrol agent David Maland have been revealed in court.