Few some say, no terror attacks have been carried out since then that can indisputably be pinned to Mr bin Laden's inner circle.

ECONOMIST: Pakistan nabs a key al-Qaeda fugitive

According to U.S. documents and officials, in addition to Abu Ghaith, other members of bin Laden's inner circle ended up in Iran, including the formidable military commander of al Qaeda, Saif al-Adel, and Saad bin Laden, one of the al Qaeda leader's older sons who has played some kind of leadership role in the group.

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According to U.S. documents and officials, in addition to Abu Ghaith, other members of bin Laden's inner circle ended up in Iran, including the formidable military commander of al Qaeda, Saif al-Adel, and Saad bin Laden, one of the al Qaeda's leader older sons who has played some kind of leadership role in the group.

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