At 9:02 A.M. on April 19, 1995, in the largest terrorist act ever perpetrated on American soil, the Alfred P. Murrah Federal Office Building in Oklahoma City was destroyed by the explosion of a homemade truck bomb. One hundred and sixty-eight people, including nineteen children, were killed by the blast and more than five hundred others were injured. Timothy J. McVeigh, an antigovernment activi…