The men are believed to be associated with the Pakistani Taliban movement and to have helped provide an estimated $15,000 to accused Times Square bomber Faisal Shahzad, a Pakistani-American, to plan and execute the attack, one of the officials said.
But two officials, speaking on condition of anonymity, said U.S. investigators have yet to establish that Shahzad had direct ties to any known Pakistani Taliban leaders, who have claimed responsibility for the attempted bombing.
"This is an investigation that is still ongoing. We don't have perfect knowledge yet about how this was done," one of the U.S. officials said.
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