Law enforcement personnel work a crime scene where US Representative Gabrielle Giffords (D-AZ) was shot along with others at a Safeway in Tucson, Arizona Jan 8, 2011. Giffords was shot in the head while holding a public event in Tucson, Arizona on January 8, 2011. Giffords, 40, a Democrat, is married to U.S. astronaut Mark Kelly. She took office in January 2007, emphasizing issues such as immigration reform, embryonic stem-cell research, alternative energy sources and a higher minimum wage.[Xinhua]