TUCSON, AZ – JANUARY 13: A police bomb sniffing dog searches a flower delivery van at St. Elizabeth Ann Seton church prior to the funeral services for nine-year-old Christina Taylor Green on January 13, 2011 in Tucson, Arizona. Heavy security surrounds the funeral Christina Taylor Green, who was shot during the January 8, shooting rampage of Jared Lee Loughner during a political event in Tucson, Arizona. (Photo by Kevork Djansezian/Getty Images)