US intelligence officials are now beginning to believe that a woman, some sources described as 'the Al Qaeda chick', may have helped planned logistics, but was not a major participant in the terror network's activities. Dr Aafia Siddiqui (31), an alumna of the Massachusetts Institute of Technology (MIT), was detained in Karachi on March 29 as soon as she returned from an overseas trip. Sources told rediff.com that her links to Al Qaeda had been corroborated by the outfit's operations chief Khalid Shaikh Mohammad, currently in the custody of US law enforcement officials after his arrest in Karachi a few...