Law enforcement personnel respond to an attack on office workers at Washington Navy Yard Monday morning, September 16, 2013. A gunman opened fire and killed at least 12 people in the attack in Washington, D.C.
Law enforcement personnel respond to an attack on office workers at Washington Navy Yard Monday morning, September 16, 2013. A gunman opened fire and killed at least 12 people in the attack in Washington, D.C. MCT
Law enforcement personnel respond to an attack on office workers at Washington Navy Yard Monday morning, September 16, 2013. A gunman opened fire and killed at least 12 people in the attack in Washington, D.C. MCT

Senators probe oversights in background checks tied to Washington Navy Yard shooting

October 31, 2013 05:51 PM

UPDATED October 31, 2013 06:14 PM

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