If you are having trouble believing that the motion is not an illusion, I have measured it for you:
That is why I compared z268 to z271. Same change. It is subtle, but real. And it occurs between z271 and z272.
The sunvisor over Greer's head also moves between z271 and z271:
There are two marks on the windshield in z272 that do not appear in z271 but those may be the result of slightly more blur in z271.
There is no change in hand position in frames z271 and z272:
This proves the shot you propose a z271 does not occur. It has been your choice to make a fool of yourself over this. Now, as I understand it, you are proposing that the bullet exits JBC's chest, shatters on his wrist and two fragments fly off with enough force to crack the windshield and dent the chrome trim yet this is not enough force to move his hand. The force of the shattering bullet leaves fragments in his wrist but this is still not enough force to move his hand.
It's now like I'm talking to one of the hard-core Tinfoil Brigade.
But that's your choice.
Anyway...onwards and upwards.
Back to your devastating list of things that refute the unequivocal evidence of the Z-film.
The first two points have demonstrated you are confused about how relative positions change with a changing perspective and are equally confused about blurring.
Jerry has dealt with your wobbly sun visor so now we are in the deep weeds of contradictory eye witness testimony - your lawyerly bread and butter.
All I can do with this is examine the quality of the observations of your creaky witnesses.
Up first - Hickey.
You desperately hang on to this guy because he says he sees JFK's hair fly forward at a time you think you can make work in your doomed model. But let's see how accurate his observations are:
"I heard a loud report which sounded like a firecracker. It appeared to come from the right and rear and seemed to me to be at ground level. I stood up and looked to my right and rear in an attempt to identify it. Nothing caught my attention except people shouting and cheering."This is the moment we see in Altgens 6
"A disturbance in 679X caused me to look forward toward the President's car. Perhaps 2 or 3 seconds elapsed from the time I looked to the rear and then looked at the President. He was slumped forward and to his left,"679X is the follow-up car Hickey is in. There is some kind of disturbance which causes Hickey to look towards JFK, who is slumped over. An accurate description of JFK after the first shot.
"and was straightening up to an almost erect sitting position as I turned and looked. At the moment he was almost sitting erect I heard two reports which I thought were shots and that appeared to me completely different in sound than the first report and were in such rapid succession that there seemed to be practically no time element between them."Erm...JFK "was straightening up to an almost erect sitting position"
What?
" At the moment he was almost sitting erect" - Excuse me??
Nothing even remotely resembling this is shown in the Z-film. Once JFK is slumped over to his left he most certainly does not straighten up until he's " almost sitting erect". Nothing like this happens. What's he talking about?
Then he hears two shots that are so close together there is "practically no time element between them".
It looked to me as if the President was struck in the right upper rear of his head. The first shot of the second two seemed as if it missed because the hair on the right side of his head flew forward and there didn't seem to be any impact against his head.This is the bit you hang onto. The first of the two shots that are almost simultaneous makes his hair move forward. The slight ruffling of JFK's fringe you insist cannot be this as Hickey is at an impossible angle to see it as JFK's head is turned slightly to the left. But let's not worry about that.
"The last shot seemed to hit his head and cause a noise at the point of impact which made him fall forward and to his left again. - Possibly four or five seconds elapsed from the time of the first report and the last."Which made him fall forward?
JFK is knocked backwards by the shot, everyone can see this except Hickey.
Hickey fails as a witness. Noticing things that are not there.
That leaves us with Greer