Key Facts Border patrol agents and local police were shot at and returned fire, killing the gunman, who authorities identifie d as 27-year-old Ryan Louis Mosqueda, according to multiple reports.

A 27-year-old Michigan man was shot dead by U.S. Border Patrol agents after opening fire with an assault rifle on a U.S. Border Patrol station in the southern Texas city of McAllen on Monday ...

A man was killed after an exchange of gunfire with U.S. Customs and Border Protection agents in southern Texas, according to the Department of Homeland Security.