nichols part ways for the last time with nichols going home to his family. >> i headed toward oklahoma and i knew ahead of time i thought, am i going to be able to sleep, right? for the most part in the gulf war when b-52s would come over and do their carpet bombing, i was literally -- i could feel the ground under my sleeping bag. so sleeping on the back of a 7-,000 bomb was okay. >> the border of oklahoma is crisp and clear when the sun rises on april 19 1995. 100 miles north of oklahoma city timothy mcveigh wakes at dawn after sleeping soundly on the side of a highway in the cab of his rented ryder truck. now loaded with 7,000 pounds of explosives ready to ignite. >> he had initially intended to