Accused US marines, Staff Sgt. Chad Carpentier, left, is escorted as he leaves the courtroom to attend their rape trial in Makati, south of Manila, Philippines on Thursday June 8, 2006. The U.S. government promised to cooperate with Philippine authorities in the trial of four Marines accused of raping a Filipino woman, but said the issue of diplomatic immunity prevented American Navy investigators from testifying. (AP Photo/ Aaron Favila)