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TNP, the chemical explosive that Aldawsari was suspected of trying to make, has about the same destructive power as TNT. FBI bomb experts said the amounts in the Aldawsari case would have yielded almost 15 pounds of explosive
-- about the same amount used per bomb in the London subway attacks that killed scores of people in July 2005. Authorities say they were tipped to Aldawsari's online purchases by chemical company Carolina Biological Supply of Burlington, N.C., and shipping company Con-way Freight on Feb. 1, 2011. The chemical company reported a $435 suspicious purchase to the FBI, while the shipping company notified Lubbock police and the FBI because it appeared the order wasn't intended for commercial use. Within weeks, federal agents had traced Aldawsari's other online purchases, discovered extremist posts he had made on the Internet and secretly searched his off-campus apartment, computer and email accounts and read his diary, according to court records. Aldawsari came to the U.S. in October 2008 from Riyadh, Saudi Arabia, to study chemical engineering at Texas Tech. He transferred in early 2011 to nearby South Plains College, where he was studying business. A Saudi industrial company, which was not identified in court documents, was paying his tuition and living expenses.
[Associated
Press;
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