NEW : Three other suspected criminals and 2 members of the navy also die in the shootout . Antonio Luis Cardenas Guillen dies in the Mexican city of Matamoros . Violence is heard across the border at a U.S. university . His capture came soon after the August arrest of American-born `` La Barbie , '' or Edgar Valdez , thought to be one of Mexico 's most ruthless drug traffickers . The university cancels classes .
NEW : Three other suspected criminals and 2 members of the navy also die in the shootout . Antonio Luis Cardenas Guillen dies in the Mexican city of Matamoros . Violence is heard across the border at a U.S. university . The university cancels classes .