The FBI has acknowledged connections with other deaths but has not yet publicly discussed the broader investigation.

After learning a suspect in a fatal Border Patrol shootout was her son's partner, a woman called police for a welfare check.

Teresa Youngblut, 21, was indicted on two counts in connection to the death of Border Patrol Agent David Maland, 44, who was ...

Court documents obtained by NBC5 allege that Youngblut carried and fired a .40-caliber Glock handgun during an encounter with ...

A Washington state woman has been ordered held without bail in connection with the death of a U.S. Border Patrol agent in ...

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

The murder of a US Border Patrol agent near the Canadian border appears to be linked to a radical leftist trans militant cult ...

Lakeside School classmates Maximilian Snyder and Teresa Youngblut both are in jail, accused in killings on opposite sides of ...

Investigators are exploring connections between the killing of a Vermont Border Patrol agent and multiple coast-to-coast ...

The young woman accused of triggering a shootout that left a U.S. border agent and her alleged accomplice dead was “kind and ...

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