Homeland Security Secretary Janet Napolitano (L), FBI Director Robert Mueller (C) and National Counterterrorism Center Director Michael Leiter (R) testify before the Senate Homeland Security and Governmental Affairs Committee hearing  'Eight Years After 9/11: Confronting The Terrorist Threat to the Homeland' on September 30, 2009 on Capitol Hill in Washington, DC. Getty Images logo Getty Images 28 months ago

Homeland Security Secretary Janet Napolitano (L), FBI Director Robert Mueller (C) and National Counterterrorism Center Director Michael Leiter (R) testify before the Senate Homeland Security and Governmental Affairs Committee hearing 'Eight Years After 9/11: Confronting The Terrorist Threat to the Homeland' on September 30, 2009 on Capitol Hill in Washington, DC.