The Alharbi clan has long been active in al-Qaida. Khaled bin Ouda bin Mohammed al-Harbi, for example, is a Saudi national who joined Osama bin Laden’s mujahadeen group in the 1980s. He reportedly became an al-Qaida member in the mid-1990s. He turned himself in to Saudi authorities in 2004 as part of an amnesty deal.The BBC reported Khaled Alharbi was married to the daughter of al-Qaida’s number two, Ayman al-Zawahri. He reportedly appeared with bin Laden in a video praising the Sept. 11, 2001, attacks.Another top al-Qaida operative is Adel Radi Saqr al-Wahabi al-Harbi, a Saudi national identified by the State Department as “a key member of an al-Qaida network operating in Iran.”