Barack Obama at the National Peace Officers' Memorial
(AFP OUT) (L-R) U.S. President Barack Obama, Attorney General Eric Holder , Secretary of Homeland Security Janet Napolitano and FBI director Robert Muller attend the 32nd annual National Peace Officers' Memorial Service at the West Front Lawn at the U.S. Capitol May 15, 2013 in Washington, DC. President Barack Obama delivered remarks at the event, invoking the law enforcement officers who worked to bring the Boston Marathon bombing suspects to justice.
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