Retired U.S. Marine Gen. James "Hoss" Cartwright has been informed he is under investigation as the source of leaks to the media regarding the sophisticated virus, NBC News reports.
Federal investigators reportedly suspect a former high-ranking Pentagon figure of leaking classified information about Stuxnet, a computer virus that the U.S. is widely believed to have used to cripple a nuclear enrichment facility in Iran in 2010.

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