Bin Laden reportedly has ties to Gama'at al-Islamiyya, Egypt's largest terrorist group, and the Egyptian Islamic Jihad, supporting many acts of terrorism by those groups.
Egyptian allies have signed his fatwa calling for the destruction of the United States, Israel and "enemies" of Islam. He was reportedly involved with the 1997 murder of 58 foreign tourists in Luxor.
Rebel fighters and terrorists have been trained in some of bin Laden's camps in Pakistan and Afghanistan.