It sure is easy to make an argument when you just assume that the thing you're trying to prove is true.
Show us where I claim the BY scene is proof of murder
Show us where I have claimed that any single factor on its own is proof of murder
My earlier post:
"However, brandishing a rifle, with pistol on his hip, decked out in all-black getup, clutching commie literature* and posing for the camera
might suggest that which you dismiss so easily
may be not so far off the mark after all"
Show us where I have ever claimed that I could prove Oswald was the killer