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

U.S. Border Patrol agents returned fire after shots were fired at them from Mexico along the Rio Grande in the San Elizario ...

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

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

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

The weapon that killed Agent David Maland last week in northern Vermont was bought by a person of interest in a double murder ...

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

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

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

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

According to court documents, the guns allegedly used in the shooting came from a person of interest in a double-homicide ...

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