morning. >> mcveigh getting off the highway a few minutes before 9:00 a.m. upon entering downtown, there are moments when he isn't sure if he will be able to complete his mission. >> you've got this adrenaline pumping, but you force yourself to stay calm and not be noticed. then pulled up to the light, which was red at the time. i did the two-minute fuse at the stoplight. i swear to god, it was the longest stoplight i ever sat in in my life. i'm thinking, okay, it's lit, green, green. >> there's this kind of amazing moment as the fuses are burning in the back of the cab of the truck into the rear. mcveigh is kind of tapping his fingers at a red lite, counting down the last few minutes. >> he has his windows rolled down just as he's approaching the light because he didn't