Gabby Giffords, with husband Mark Kelly, right, and Judiciary Committee Chairman Patrick Leahy, delivered an opening statement to the committee before a hearing on gun control in January in Washington. ( Chip Somodevilla / Getty Images)
In a 2012 election to fill the seat of former Rep. Gabrielle Giffords (D-Ariz.) Democratic candidate Ron Barber and Giffords celebrate a victory. Barber was shot in the cheek and the thigh in the 2011 shooting spree. (Ross D. Franklin / Associated Press)
Gabrielle Giffords and her husband, retired astronaut Mark Kelly, serve Thanksgiving dinner to troops at Davis-Monthan Air Force Base in Tucson in 2011. (Matt York / Associated Press)
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Two days after she was shot in the head, a makeshift memorial was created outside the hospital where Gabby Giffords was in critical condition. (Shaun Tandon / AFP/Getty Images)
U.S. Rep. Gabby Giffords talks with constituents in an undated image prior to the Tucson shooting. (AFP/Getty Images)
