get a free sample of depend at underwareness.com >>> in january 1993 timmy mcveigh is frustrated by theexistence he's endured since leaving the army and is still shaken by his experiences in the gulf war. eager to figure out his mission in life mcveigh packs up his car and says good-bye to his quiet hometown of pendleton, new york. >> i left home for one year and one month. i said this neighborhood isn't the thing for me. i don't have a place here. i haven't found a love. and i hit the road. >> the odyssey he was living in the early '90s was really bizarre. he thought nothing of getting in his car and driving hundreds or even thousands of miles. and he was searching for something. >> mcveigh's mission is still unclear but he's beginning to hone in on his main focus of fury. the u.s. government. he finds like-minded thinkers on the gun show circuit. during the early 1990s, the expos become gathering places for the fast growing malitia and patriot movement. it is in this subculture mcveigh finally finds an outlet for his growing rage. >> you could find an amazing amount of literature on i

federal prosecutors are seeking the death penalty as they sought it for another terrorist, timmy mcveighsunday marks the 20th anniversary of the oklahoma city bombing. as we again try to understand why that happened, there is the remarkable fact that timothy mcveigh left a record of why it happened on tape. tonight a special presentation of the mcveigh tapes.

we are joined by larry mackey who handled the trials of oklahoma city trials of timmy mcveigh and terryt judy clark has to convince one single juror to spare this guy's life and you believe that juror 229 may be this person. >> well, that is right. the prosecution has to convince all 12, and she is going to get a life sentence for the defendant if just one juror stands his or her ground. and she has gone to school on the information provide ed ind questionnaires as well as in the questioning session during the time that they have selected the jury vecting the factors in the background that might lead a juror to oppose the death pe penalty even in facts like this. >> and in terms of clark's strategy in the penalty phase, i know that you say could very well speak directly to the juror, and could that particular juror that she believes could be waivering that might be sympathetic to saving the bomber's life. >> indeed. i mean, she says that having known that having seen the verdict coming back after a day and a half after a month-long evidence that in their view this man is responsible in

army veterans timmy mcveigh and terry nichol, is that weekend then white house chief of staff leon panetta appeared on "face the nation." >> there is nothing there is absolutely nothing real or imaginary that in any way justifies killing of devilsless children. these people are not patriot. they're cowards. they're not heroes, they're criminals. >> schieffer: when the final death toll came in two weeks later, 168 people were dead. including 19 children. nichols was convicted on all counts certainly serving life without parole. mcveigh was sentenced to death executed in 2001. three months before 9/11. back in a minute. go get help, boy. go get help. go get help! right now! if you're a cat, you ignore people. it's what you do. if you want to save fifteen percent or more on car insurance you switch to geico. it's what you do. go on kitty, kitty... >> schieffer: that's it for us today. before we go today i want to thank someone who has been artistic talent behind the scenes here at "face the nation" debra, responsible for the graphics and the look of the show and she'll be leaving us and cbs t