The list[3] of banned entities maintained by the US Treasury Department puts his date of birth at 24 June 1954, and lists additional aliases of his, including 'Issam 'Ali Muhammad 'Abdallah, ( عصام علي محمد عبد الله ). He was named as an unindicted co-conspirator in the current indictment[2] of 21 members of al-Qaeda and affiliated groups, for various roles in the 1998 United States embassy bombings in Africa. Earlier in 1998, Taha was one of five people who signed, or are alleged to have signed, a threatening so-called fatwa against the United States and Israel and their civilians; the other signatories included Osama bin Laden and Ayman al-Zawahiri; see Fatāwā of Osama bin Laden.