then that december, mcveigh and michael fortee go to oklahoma city to case the murrah building. >> wecertain that mcveigh examined multiple federal buildings. he in particularly scouted out the murrah building on multiple occasions. we know that because he took michael fortee directly to the murrah building and said after his examine nation of all the potential targets, this was the one he was going to hit. >> mcveigh picks april 19th as the date, known as patriots' day, it's revered by many in the right wing anti-government movement. >> on april 19th, you have the first shot fired in lexington in the american revolution. on that day waco occurs in 1993 and two years later, mcveigh blows up his truck bomb in front of the murrah building. >> at some point, fortee decides to not take part in the bombing. in fact, in a later plea bargaining, he'll agree to testify against co-conspirators. in march 1995 mcveigh creates a fake driver's license with robert d. kling and a birthday of april 19th. he buys a 1977 mercury from a used car dealer in kansas. the next day mcveigh reserves the ryder

by mid 1994, mcveigh and nichols along with their army friend michael fortee were ready to put theirinto action. mcveigh decided the most effective weapon would be a truck bomb. in september 1994, mcveigh and nichols begin stockpiling amoan yes, ma'am nitrate, a fertilizer often used in truck bombs. >> you combine the ammonia nitrate and fuel and you have an explosive mixture. it's cheap, readily available and it's not particularly complicated to make. >> over the next few months, the two men start quietly gathering more components, including racing fuel, explosive charges, and 544 blasting caps they steal from a quarry in kansas. then that december, mcveigh and michael fortee go to oklahoma city to case the murrah building. >> we know for certain that mcveigh examined multiple federal buildings. he in particularly scouted out the murrah building on multiple occasions. we know that because he took michael fortee directly to the murrah building and said after his examination of all of the potential targets, this was the one that he was going to hit. >> mcveigh picks april 19th as the