Let me tell you a little about Nickerson: In my thread on why the back-of-head bullet fragments destroy the lone-gunman theory, he made the astonishing and hilarious claim that the 6.5 mm object and the 7 x 2 mm fragment are the same object, even though both objects can be plainly seen on the AP x-ray, even though they have different dimensions and shapes, and even though they are located at opposite ends of the skull. At first I thought he had misspoken, but he soon made it clear that he was actually making this argument. When I pointed out that both objects are clearly visible on the AP x-ray, that they are located at opposite ends of the skull, and that they look nothing like each other, he still refused to admit his blunder. Why? Because he knows that the 6.5 mm object is fatal to the lone-gunman theory.
Humes removed the "6.5 mm object". It was the 7 x 2 mm fragment that was "somewhat behind the President's eye" and "in the brain tissue". Humes would later view the enhanced AP X-Ray and , after some difficulty, identify that 6.5 mm object as being the 7 x 2 mm fragment. Edward Reed and Jerrol Custer identified it without hesitation.
Gunn: Okay. Can you go back and look at it once again, from the left on the screen to the right on the body? There is a semi-circular white dot there. Do you see that?
Reed: Yes. I do.
Gunn: Do you recall seeing that on the night of the autopsy?
Reed: Yes. I did.
Gunn: What was your understanding of what that Was?
Reed: That is a metallic fragment from the bullet.
-------------------------------
Gunn: Can you identify that as an autopsy X-Ray that you took on the night of November 22nd/23rd 1963?
Custer: Yes, sir. Correct.
Gunn: HOW can you identify that as being one that you took?
Custer: Bullet fragment, right orbital ridge.
...................
Gunn: Earlier you pointed to what I’m going to call the half-circle that appears to be at the lightest part of the film, and you referred to that as a bullet fragment; is that right?
Custer: Yes, sir.
Gunn: Where was that bullet fragment located? Let me withdraw that question, and ask another question. Do you know where the bullet fragment located on the body?
Custer: Right orbital ridge, superior.=========
And there's this from Joseph N Riley, Ph.D.:
"the location in terms of distance from vertex of the round fragment corresponds exactly with a bullet fragment located at the front of the skull at the "height" of the upper part of the frontal sinus. This corresponds, in the frontal x-ray, to the circular fragment located at the level of the right supraorbital ridge. Using an optical micrometer, the cross-sectional diameter of these two fragments is identical. (In the author's measurements, both fragments were measured to be 7mm in diameter; the Panel, using better quality material, measured the circular fragment as 6.5mm in diameter and Is almost certainly more accurate.) There can be no doubt that the large circular fragment represents a bullet fragment embedded in the right supraorbital ridge. In non-technical language, this corresponds to the bone behind the right eyebrow.
The sole rationale for this contention by the Panel is that a sharp radiopaque image usually represents an object close to the x-ray film. For example, when Humes met with the Panel, the following exchange occurred (HSCA 7:251):
DR. PETTY. Now, may I ask you one other question on this X-ray, Dr. Humes.
Here is a view taken, I assume, with the radiation point above the face and the film behind the back of the head.
DR. HUMES. Not being a radiologist, I presume that.
DR. PETTY. If that's true, then the least distorted and least fuzzy portion of the radiopaque materials would be closest to the film, and we would assume then that this peculiar semilunar object with the sharp edges would be close to the film and therefore represent the piece that was seen In the lateral view —
DR. HUMES. Up by the eyebrow.
DR. PETTY. No. Up by the — in the back of the skull.
The anatomical evidence is unequivocal; however, for the sake of completeness, it may be pointed out that the clarity of a radiographic image, assuming sufficient beam intensity, depends upon the coherence ("sharpness") of the radiopaque image on the photographic emulsion. Physical factors that determine coherence include radiopaqueness (100% for a metal fragment), sharpness of the edge (minimizing beam scatter), and location relative to the radiation beam (minimizing defraction). In general, distance will correlate with clarity (the greater the distance to the emulsion, the greater the displacement due to scatter) but it is not causal. A bullet fragment in cross-section and located near the center of the radiation beam would be expected to produce an image such as that observed in the frontal x-ray. The essential points, however, are: (1) It is anatomically impossible that the "high" fragment is the circular fragment in the frontal x-ray and (2) The round fragment correlates exactly in size and location to the fragment in the lateral x-ray immediately superior to the frontal sinus.
There is a major bullet fragment embedded in the right supraorbital ridge. The evidence is unequivocal and, without qualification, the Panel is in error in equating the round fragment in the frontal x-ray with the "high" fragment in the lateral x-ray." -- Joseph N Riley, Ph.D. - "Respected neurologist who specialized in neuroanatomy and experimental neuropathology. His neurological research was published in several peer-reviewed scientific journals, including the Journal of Comparative Neurology, Cell and Tissue Research, and Brain Research, and his research was cited by many other neuroscientists. He taught neuroscience at the University of Florida, the University of California, and the State University of New York."
https://archive.org/details/nsia-RileyJosephN/nsia-RileyJosephN/Riley%20Joseph%20N%2005/page/n7/mode/2up?view=theater===========
Post the enhanced AP X-Ray with an arrow pointing to the 7 x 2 mm fragment in it. And while you're at it, point an arrow at the fragment that my red arrow is pointed at in the lateral view below.
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