. >> 25 years ago, on april 19, massive truck bomb exploded outside the alfred p. murraederal building in oklahoma city, killing 168 people, including 19 children in day care center. a year later, fema's emergency produced a live training program from oklahoma city. next, on "reel america" managing terrorism events, the oklahoma experience. five leading first responders describe what happened after the bombing, how the response was organized, successes and problems and lessons learned. this program comes to us courtesy of the national emergency training center library iner mittsburg, maryland. burg, maryland. >> with regard to this proceeding, basically there are four elements that i have to receive information regarding -- >> everybody looking down here now. watch the electricity!