Thanks, Bob the Forensic Pathologist. And I was under the false impression the spinal column was at the body's midline.
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That's nice. But Willis specified the time of the first shot as being between his No.4 slide (Z133) and No.5 slide (Z202). He based this on the sound of the shot causing Mrs. Kennedy to turn her head from Willis' side of the street to the opposite side.
I'm sure Willis figured he could sell more slides if he could get people believing the No.5 slide was taken "simultaneously" with the first shot and that the shot struck the President.
Willis photo #5 coincides with Z-205.
Mr. WILLIS. No, sir; I took that picture just seconds before the first shot was fired, to get back close up. Then I started down the street, and the regular weekly edition of Life magazine came out and shows me in about three different pictures going down the street.
Then my next shot was taken at the very--in fact, the shot caused me to squeeze the camera shutter, and I got a picture of the President as he was hit with the first shot. So instantaneous, in fact, that the crowd hadn't had time to react.