Mexico 's Navy says a shootout occurred around an island used to store marijuana . Twelve suspected members of the Zetas drug gang and one member of Mexico 's The Mexican Navy are killed . Falcon Lake is between Texas and the Tamaulipas state of Tamaulipas . Twelve suspected members of the Zetas drug gang and a member of Mexico 's Navy were killed in a shootout on an island in a lake that straddles the U.S.-Mexico border , authorities said Monday . It drew attention 2010 after an Mexican was reportedly shot there .
Mexico 's Navy says a shootout occurred around an island used to store marijuana . Twelve suspected members of the Zetas drug gang and one member of Mexico 's The Mexican Navy are killed . Falcon Lake is between Texas and the Tamaulipas state of Tamaulipas . It drew attention 2010 after an Mexican was reportedly shot there .