In the recent bombing, investigators say they believe that only a small group was involved, and that the bombers might have entered the country a day or two before the attack, which would severely reduce the number of people who saw them. Two of the principal bomb makers in Bali I, Azahari Husin and Dulmatin, are prime suspects in the recent attacks.
Meanwhile, the US warned citizens to avoid nonessential travel to Indonesia yesterday.
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