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275661 08: (FILE PHOTO) U.S. Secretary of Defense William Perry tours the wreckage of Khobar Towers in Dhahran, Saudi Arabia June 29, 1996 after a truck bomb exploded four days previously, killing 19 American servicemen residing there. A federal grand jury in Alexandria, VA indicted 13 Saudis and one Lebanese citizen in the bombing June 21, 2001. (Photo by Scott Peterson/Getty Images)

275661 08: (FILE PHOTO) U.S. Secretary of Defense William Perry tours the wreckage of Khobar Towers in Dhahran, Saudi Arabia June 29, 1996 after a truck bomb exploded four days previously, killing 19 American servicemen residing there. A federal grand jury in Alexandria, VA indicted 13 Saudis and one Lebanese citizen in the bombing June 21, 2001. (Photo by Scott Peterson/Getty Images)