while still a teenager, he discovered the turner diaries, a venomously racist novel, about an armed insurrection led by white supremacists against a federal government. >> it describes a truck bombing of fbi headquarters in washington, d.c., shortly after 9:00 in the morning sounding very similar to what took place in oklahoma city on april 19th, 1995. >> if timothy mcveigh was looking to make a statement, then he had succeeded in the worst way possib. >> debris, glass. it looks as though emergency crews are on the scene. >> the incredible explosion that ripped apart the nine-story alfred p. murrah federal building hit with the force of roughly two tons of tnt. the air inside was whipped into a turning tornado on glass shards and choking black smoke. one floor pancaked onto the next