He was banished from Saudi Arabia in 1992, and shifted his base to Sudan, until US pressure forced him to leave Sudan in 1996. After establishing a new base in Afghanistan, he declared a war against the United States, initiating a series of bombings and related attacks. Bin Laden was on the American Federal Bureau of Investigation's (FBI) lists of Ten Most Wanted Fugitives and Most Wanted Terrorists for his involvement in the 1998 U.S. embassy bombings.