between life or death. timothy mcveigh was executed for the bombing of the federal building in oklahoma city. ago 20 years ago this weekend, 168 people, including 19 children, were killed. d it was the deadliest act of home-grown terror in u.s. history. 7 nearly 700 were hurt. anna werner reports now on wounds that never heal. >> i don't know what happened, just a blast. >> reporter: the scenes are unforgettable. >> we've got to find his brother. >> reporter: the cratered federal building, the facade blown off. first responders desperately trying to save the lives of children pulled from the building's daycare center. >> can you tell me your name? >> reporter: the denny children, two-year-old rebecca and her three-year-old brother brandon were among six children pulled from the rubble alive. brandon had debris embedded in his head. his father, jim, rushed to his bedside. >> kisses, kisses. i love you, honey.