​Jan. 8, 2011. Tucson

Six people died and at least 14 were injured when Jared Loughner opened fire outside a supermarket while United States Representative Gabrielle Giffords was meeting with constituents. Ms. Giffords survived a point-blank gunshot to the head. Those who died included a 9-year-old named Christina Green, who had been born on the day of the Sept. 11 attacks in 2001; John M. Roll, the chief federal judge in Arizona; and Phyllis Schneck, 79, a great-grandmother who liked to sew aprons for church fundraisers.