** FILE ** Khalid Ali-M Aldawsari is escorted to his initial court appearance at the Mahon Federal Building in Lubbock, Texas, on Friday, Feb. 25, 2011. Mr. Aldawsari, a college student from Saudi Arabia, is accused of buying chemicals online as part of a plan to blow up key U.S. targets, including the home of former President George W. Bush. (AP Photo/Lubbock Avalanche-Journal, Zach Long)

Photo by: Zach Long

** FILE ** Khalid Ali-M Aldawsari is escorted to his initial court appearance at the Mahon Federal Building in Lubbock, Texas, on Friday, Feb. 25, 2011. Mr. Aldawsari, a college student from Saudi Arabia, is accused of buying chemicals online as part of a plan to blow up key U.S. targets, including the home of former President George W. Bush. (AP Photo/Lubbock Avalanche-Journal, Zach Long)