NEW : Facial recognition and DNA tests confirmed bin Laden 's identity , FBI says . Such requests to drop charges are procedural and routine . NEW : Chance of mistaken ID is about 1 in 11.8 million , FBI says in affidavit . The U.S. accused bin Laden in the 1998 American embassy bombings in East Africa . A U.S. military raid killed bin Ali on May 21st .
NEW : Facial recognition and DNA tests confirmed bin Laden 's identity , FBI says . NEW : Chance of mistaken ID is about 1 in 11.8 million , FBI says in affidavit . The U.S. accused bin Laden in the 1998 American embassy bombings in East Africa . A U.S. military raid killed bin Ali on May 21st .