My point is that if Oswald was the lone killer, why finishing him off and if he was in fact a totally innocent and unaware citizen, why then taking such risk instead of doing it later if at all. Had he been an ordinary citizen, he could have just gone to jail (like Sirhan in the RFK murder).
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Unless, of course, that he was not TOTALLY innocent 
if he was in fact a totally innocent and unaware citizenI think that you know that Lee was NOT an "UNAWARE CITIZEN"..... Anybody who has studied his actions and movements after he joined the Marine Corps until the time of his death will discern that Lee Oswald was a US intel agent. Like any intel agent he was a chameleon, and able to appear as something that he was not.
Like a communist revolutionary, for example. However he was a bit egotistical and full of himself, and not quite the accomplished undercover agent that he fancied himself to be.
In the summer of 63 and up until the time of the coup d e'tat he thought that he was working undercover for the FBI. And in fact one of his handlers. Warren De Brueys, was an FBI agent.
The Back Yard Photo ( CE133A) is a good example of his naive and inept attempt to portray himself as something that he was not. That BY photo is supposed to depict a heavily armed, communist revolutionary who is ready to fight for the cause. But close examination reveals the absurdity of the photo. It's like one of those gag photos that are taken at carnivals that show a person in striped pajamas like a jail bird might wear.
Marina said that she took that photo at Lee's request ( she thought that he was nuts, for posing like that) and I believe that she did take the photo. At any rate the photo reveals the naive mind behind that staged photo. ( It amazes me that many many highly intelligent people can't see through transparent subterfuge )
But that phenomenon might be explained by the fact that their minds are closed and they are focused on the idea that the photo proves that Lee Oswald owned a carcano like the one that was discovered in the TSBD after the murder. They simply don't want to see that the photo is an hilarious caricature.....created by a naive fool.