Boston Marathon bombers

Homeland Security Secretary Janet Napolitano testifies before the Senate Judiciary Committee on S.744, the "Border Security, Economic Opportunity, and Immigration Modernization Act." on April 23 2013 in the Hart Senate Office Building on Capitol Hill in Washington, D.C. (Photo credit: MANDEL NGAN/AFP/Getty Images)

Napolitano: Homeland Security Knew Of Bombing Suspect’s Russia Trip

Homeland Security Secretary Janet Napolitano is defending the security procedures that occur when someone applies for asylum to the U.S. — as the family of the alleged Boston bombers did about a decade ago. She described an extensive process with multiple screenings.