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US 'pinged' when Boston suspect flew to Russia

US Homeland Security Secretary Janet Napolitano testifies before the Senate Judiciary Committee on April 23 2013 in Washington, DC. Napolitano said Tuesday the US government's security system "pinged" when one of the Boston bombing suspects flew to RussiaHomeland Security Secretary Janet Napolitano said Tuesday the US government's security system "pinged" when one of the Boston bombing suspects flew to Russia last year.