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Gabrielle Giffords Walks Thru The Capitol After Resigning As House Representative (D-AZ)

WASHINGTON, DC - JANUARY 25: Former U.S. Rep. Gabrielle Giffords (C) is excorted down the hall by Rep. Debbie Wasserman Schultz (D-FL) after she resigned from the House of Representatives on Capital Hill on January 25, 2012 in Washington, DC. Giffords resigned from Congress to focus on her recovery from a gunshot wound to the head she received last year from a lone gunman in Arizona. (Photo by Mark Wilson/Getty Images)

Gabrielle Giffords

Authorities released hundreds of pages of documents on March 27 that provide new insight into how the 2011 Arizona shooting occurred and the motivations behind gunman Jared Loughner. Six people were killed in the attack and several people, including then-Rep. Gabrielle Giffords were seriously injured. (AP)