Shortly before 9 A.M. on a beautiful Wednesday morning, a Ryder truck pulled in front of the Alfred P. Murrah Federal Building in downtown Oklahoma City. Most people paid little or no attention to the truck. Daina Bradley noticed the truck as she looked out the window of the Social Security office on the first floor. Bradley was visiting the office with her two children, three-year-old Peachlyn Bradley and four-month-old Gabreon Bruce; her mother, Cheryl Hammons; and her sister. Bradley thought the truck was an unusual sight since moving trucks were not permitted downtown. She stepped back from the window to tell her mother and sister about the truck. The next thing she remembered was a sense of electricity running through her body, a flash of light, and then falling and being buried by rubble. Her mother and two children were killed...