"a single U.S. attorney" . . "Guam and the Northern Mariana Islands" . . . "United States Attorney for the Districts of Guam and the Northern Mariana Islands" . "U.S. attorney for the Districts of Guam and the Northern Mariana Islands" . . . . . "U.S. Attorney for the Districts of Guam and the Northern Mariana Islands" . "United States Attorney for the Districts of Guam and the Northern Mariana Islands" . . . "United States Attorney's Office for the District of the Northern Mariana Islands" . "Districts of Guam and the Northern Mariana Islands" . . "one U.S. Attorney serves for both the Districts of Guam and the Northern Mariana Islands" .