U.S. officials believe local army commanders ordered an ambush that killed two American teachers near a gold mine in a case that has held up resumption of normal U.S.-Indonesia military ties, two American officials told The Associated Press. Elements of the military have long been suspected in the 2002 attack, but a much-criticized joint Indonesia police-military investigation proved inconclusive. U.S. authorities said their probe continues with FBI (news – web sites) agents now in Indonesia, making their fifth visit to the ambush site. “It’s no longer a question of who did it,” a senior U.S. official familiar with the investigation, told AP. “It’s only a question of how high up this went within the chain of command,” said the official, who spoke on condition of anonymity. Full Story