2011 Tucson shooting survivor 'frustrated' not much has changed

"Christina Taylor Green's 21st birthday is coming up," Patricia Maisch explained. "She's been dead longer than she's alive." At just 9 years old, Christina would become the youngest person to die on Jan. 8, 2011. That day, a gunman would kill her and five others at a Safeway shopping center on the north side of Tucson. More than a dozen were injured, including former Congresswoman Gabby Giffords.