back, is having something issued so we can convince the public that oswald is the real assassin. two days later, professor julian, he thinks it will be difficult to convince america that oswald is a lone assassin, which by the way, has to be before he knew he was the lone assassin. >> this is the height of the cold war. instantly lbj is scrambling to figure out what was happening. there are all kinds of theories out there. did the soviets do it. did cuba do it. we see this in the documents that right wing in america that was in dallas that time was also responsible. so part of the effort was to find out what happened. but part of it was to contain what the response would be. we learned in one document that the soviets are very worried that some general is going to unleash on the soviets after this happened. so that's part of the scramble that you're seeing. the president is is assassinated at the height of the cold war.