Gabrielle Giffords

Associated Press
Former Rep. Gabrielle Giffords, center, looks at a photo of Christina-Taylor Green, as it is held by her mother Roxanna Green, left, as Giffords' husband Mark Kelly prepares to speak as they all returned to the site of a shooting that left her critically wounded, and many others killed, including the nine-year-old Green, to urge key senators to support expanded background checks for gun purchases, Wednesday, March 6, 2013, in Tucson, Ariz. (AP Photo/Ross D. Franklin)

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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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