The video claims that al-Hukaymah joined al-Gama'a al-Islamiyya in 1979 and was arrested in connection with the assassination of Egyptian president Anwar Al Sadat in 1981, and subsequently rearrested several times in various countries.
Other al-Qaeda propaganda[3][4] claims that al-Hukaymah worked with Refai Ahmed Taha (former Gama'a leader and affiliate of al-Zawahiri), but that is uncorroborated.
In September of the same year, a short piece entitled Towards A New Strategy in Resisting the Occupier was posted to the defunct jihadist website www.althabeton.co.nr.
[5] Al-Hakim is also claimed by Al Arabiya Institute for Studies to be Abu Bakr Naji, the author of the 2004 e-book Management of Savagery: The Most Critical Stage Through Which the Ummah Will Pass.
[8] On 1 November 2008 AFP quoted an unnamed senior Pakistani intelligence source saying that al-Hakim was killed in the previous day's drone strike on a car in North Waziristan.