That's proof enough for me.
Also, have you noticed how many people in Dallas that day are dying?
That alone indicates some kind of sinister conspiracy!
Listen to the audio just before Oswald was killed. Those car horn beeps were not a signal of course. In the video, the lights on and off were also not a signal to Ruby. Just all coincidence that a known wise guy wannabe had access to the Police Station while carrying a gun....and all....yeah...just all nut job stuff.
And then there is that "magic bullet".....