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Simon Wiesenthal Center's Annual National Tribute Dinner Honoring Jerry Bruckheimer

BEVERLY HILLS, CA - MAY 23: Congresswoman Gabrielle Giffords and husband astronaut Mark Kelly attend the Simon Wiesenthal Center's Annual National Tribute Dinner Honoring Jerry Bruckheimer at The Beverly Hilton Hotel on May 23, 2012 in Beverly Hills, California. (Photo by Valerie Macon/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)