comma, they can create a lot of mischief. >> i believe very firmly that ruby and oswald knew each other, and certainly tippet and ruby knew each other. >> before we proceed with that kind of questioning, let me ask you. what kind of conspiracy do you think? was it a communist? left wing or right wing conspiracy? >> i am convinced that there were two riflemen. >> the warren commission was set up as you know at the request and urging of the communist party. >> it's obvious that he was working for somebody else at that moment, and that's could not be anyone else than fidel castro. >> there's no doubt of him having been in the window of that building. >> my opinion, castro. >> there was an entire world of assassination buffs. some raised valid questions. >> came out looking like bullet