>> in his distorted world view, his actions were a justifiable response to what he called violence perpetrated by the government against its own people. >> defense attorney stephen jones knew a necessity case was unwinnable so he chose a different course, arguing that mcveigh was only part of a much larger conspiracy. >> the greatest mystery of the oklahoma city bombing case is who else, besides tim mcveigh, terry nichols, and michael fortier were involved? because there were most assuredly others. >> much of the speculation centered on the man reportedly seen with mcveigh at the truck rental company. known as john doe number two, the description did not fit either terry nichols or michael fortier. investigators concluded that john doe number two never existed. >> we found a gentleman that had