U.S. intelligence officials say there is no specific or credible information that terrorists intend to strike over the upcoming holiday weekend.
Documents found in Osama bin Laden's home show that, as recently as February 2010, al-Qaida was considering plots against the U.S. during major holidays, including Independence Day.
Bin Laden was killed in a U.S. military operation in May.
A joint FBI and Homeland Security Department intelligence bulletin, obtained by The Associated Press, shows that counterterrorism officials remain concerned that terrorists will target large gatherings in urban areas across the U.S. Yet they have no specific intelligence about an attack tied to the July 4 holiday.
Counterterrorism officials say the driving factor for the timing of attacks is whether the operatives are ready to carry out the plan.
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