| The suicide bomber believed to have carried out this week's devastating attack on a U.S. military dining tent, killing more than 20 people, was probably wearing an Iraqi military uniform, a U.S. general said Thursday. The FBI has joined investigations into how the attack on the base near the northern city of Mosul was carried out. At the same time, the military is reassessing security at bases across Iraq in light of the bomber's success in apparently slipping into the camp, entering a tent crowded with soldiers eating lunch and detonating his explosives. "The question now turns to how did that happen, and I don't know the answer to that question Brig. Gen. Carter F. Ham — commander of Task Force Olympia, the main U.S. force in northern Iraq — said it appeared likely that "an individual in an Iraqi military uniform, possibly with a vest-worn explosive device, was inside the facility and detonated the facility, causing this tragedy. |