>> it's hard to believe americans blowing up americans. >> it just boggled my mind. >> what tim mcveigh did was the worst act of domestic terrorism in american history. the entire country was shocked and riveted that somebody could come from white-bred suburbia and commit such a hellacious act. >> i have a daughter that's 3, and to think she'll grow up in this is scary. >> investigators are certain that mcveigh is the john doe number one in the police sketch, but they still have not identified john doe number two. >> john doe number two, if the fbi can't find him, does he exist? >> fbi chief louis freeh sent him this message, "there is no place on earth where you will be safe." >> the michigan address on mcveigh's driver's license is the home of a man named james nichols. it's a critical development. nichols' brother, terry, has