good thinking, a doctored-up Zapruder film means there’s a history of coverup, although did they make files on all of their coverup activities, or do we need to read between the lines to discern which actions were taken by each bad actor?

They are still withholding video footage from the closer camera seen filming right up close and next to JFK that is clearly visible in the long ago released footage of the shooting. As long as they continue to hide that film, we know they're hiding more.

And the fact that they're hiding evidence shows they're guilty and afraid of being exposed. Those guilty are still in positions with enough power to hide their own guilt.

I have a hunch that snake was from Texas, and later became quite powerful.