Hypothesis -- Oswald's Military ID Card Following is my complete hypothesis regarding Oswald's military ID card. It fits all the pieces of evidence together and is, in my opinion, the most likely explanation. The one thing I haven't been able to figure out is why the CIA would use a LEE ID card, to get a LEE passport, only to have HARVEY use that passport to go to Russia. Part 1 Oswald was to be discharged from the Marine Corps on the Sept. 11, 1959. The CIA wanted him to ge