>> who is he? >> the man -- the suspect's name is jack rubenstein, i believe. he goes by the name of jack ruby. >> here at associated press, a still picture of the moment, the splint second as the shot was fired. this is the man dallas police have identified adds as jack rubenstein, and this is of course lee harvey oswald. you see the gun in the hand of ruby and just about to be fired. >> i know my own feelings were and i think they were assured by many, if not most americans. this can't be coincidental. the assassin is assassinated at the police station. what in the hell is going on? >> just learned from city hall from an authoritative source, police are working on an assumption that there indeed is