Gabrielle Giffords, Arizona shooting survivor

Updated 12:36 PM ET, Sun November 23, 2014
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Gabrielle Giffords, the former congresswoman from Arizona who was shot and wounded in a 2011 mass shooting, has embarked on gun control efforts with her husband, Mark Kelly. Look back at her life and career before and after she was shot. Joshua Lott/Getty Images
Newly elected representatives, including Giffords at second from top right, prepare for the freshman class picture for the 110th Congress on the House steps on November 14, 2006. She represented Arizona's 8th District from 2007 until her resignation in 2012. Tom Williams/Roll Call/Getty Images
Giffords gives a tour of Statuary Hall in the Capitol to Shuttle Discovery STS-124 astronauts Akihiko Hoshide of Japan, left, and her husband, Cmdr. Mark Kelly, on July 17, 2008. Bill Clark/Roll Call/Getty Images
Giffords addresses supporters at the Democratic Election Headquarters in Tuscon, Arizona, on November 2, 2010. She won a close race against Republican Jesse Kelly. Tom Willett/Getty Images
A framed photograph of Giffords stands at the center of a memorial during a candlelight vigil at the University Medical Center on January 8, 2011. The congresswoman was shot in the head during an event that day in front of a Safeway grocery store in Tucson, Arizona. Six people were killed. The gunman, Jared Lee Loughner, was sentenced to life in prison without parole in 2012. Tom Willett/Getty Images
Giffords' husband, Mark Kelly, holds his wife's hand in her hospital room at the University Medical Center in Tuscon on January 9, 2011. U.S. Rep. Gabrielle Giffords' office via Getty Images
Giffords is pictured the day before she underwent skull surgery at TIRR Memorial Hermann Hospital in Houston on May 17, 2011. It was one of the first photographs of her released after the shooting. P.K. Weis/Giffords Campaign via Getty Images
Kelly hugs his wife after receiving the Legion of Merit from Vice President Joe Biden during a retirement ceremony in Washington on October 6, 2011. Pete Souza/The White House via Getty Images
Giffords, at left, leads the Pledge of Allegiance during a vigil held at the University of Arizona Mall on the anniversary of the shooting in Tucson, Arizona, on January 8, 2012. Jonathan Gibby/Getty Images
President Barack Obama embraces Giffords as members of Congress applaud before his State of the Union address in Washington on January 24, 2012. Saul Loeb/Pool/Getty Images
After resigning from Congress, Giffords is escorted down the hall by Rep. Debbie Wasserman Schultz of Florida on January 25, 2012. Giffords left office to focus on her recovery. Mark Wilson/Getty Images
President Obama signs the Ultralight Aircraft Smuggling Prevention Act as Vice President Joe Biden, Giffords and her husband look on in the Oval Office of the White House on February 10, 2012. The bill was the last piece of legislation Giffords voted on before she resigned. Mark Wilson/Getty Images
Giffords and Kelly speak at the Simon Wiesenthal Center's annual tribute dinner, where they received Medals of Valor on May 23, 2012, in Beverly Hills, California. Valerie Macon/Getty Images
Wasserman Schultz, head of the Democratic National Committee, and Giffords wave to the audience after Giffords delivered the Pledge of Allegiance on September 6, 2012, the final day of the Democratic National Convention in Charlotte, North Carolina. BRENDAN SMIALOWSKI/AFP/GettyImages
Wasserman Schultz and Giffords greet each other on stage at the Democratic National Convention in Charlotte on September 6, 2012. Chip Somodevilla/Getty Images
Giffords and Kelly arrive for a Senate Judiciary Committee hearing about gun control on Capitol Hill in Washington on January 30, 2013. The former congresswoman delivered an opening statement to the committee, which met for the first time since the mass shooting at a Sandy Hook Elementary School in Newtown, Connecticut. Chip Somodevilla/Getty Images
Giffords and Kelly attend a news conference on March 6, 2013 outside the Safeway grocery store in Tuscon. At the event they urged Congress to provide stricter gun control in the United States. At left, Roxanna Green holds a photo of her daughter, Christina Taylor Green, who was killed in the 2011 shooting. Joshua Lott/Getty Images
Giffords joins, from left, Ben Zimmerman, Ross Zimmerman, Emily Nottingham, Rep. Ron Barber and Rep. Debbie Wasserman-Schultz during a dedication ceremony on April 16, 2013 for Gabriel Zimmerman, a member of Gifford's staff who was murdered during the January 8 shooting spree. Chip Somodevilla/Getty Images
Giffords completed an 11-mile cycling event on November 22, marking another milestone in her recovery from a 2011 mass shooting, tweeting "Kicking off 11 miles in El Tour de Tucson. Beautiful day for a bike ride!" Twitter