Gabrielle Giffords

Associated Press
In an election to fill former Rep. Gabrielle Giffords, left, D-Ariz., congressional seat, Democratic candidate Ron Barber, right, celebrates a victory with Giffords and supporters at a post election event, Tuesday, June 12, 2012, in Tucson, Ariz.  Gabrielle Giffords' former district director, in a special election for the seat Giffords left in January to focus on her recovery from a gunshot wound to her head during a gunman's shooting spree a year earlier.(AP Photo/Ross D. Franklin, pool)

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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)

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