This is exactly what the laymen CTs are told again and again, the autopsy is where they actually wash, examine and physically manipulate the head wound whereas in emergency all they saw was a smashed head with a cracked skull, covered in blood and gore which nobody touched.
Demonstrably false.
Excerpt of letter from nurse Diana Bowron:
When we prepared the body for the coffin we washed the face and closed the eyes; there was no damage to the face, there was no flap of scalp on the right, neither was there a laceration pointing toward the right eyebrow from the scalp.
When we were preparing the body for the coffin we rolled it over in order to remove the bloodstained sheet from underneath and to wipe away the blood from the back of the body. I saw another entry wound in the upper back (the other entry wound being in the front of the throat). With reference to the photograph The Back (F5) I only saw one wound, and not the number of wounds in the photograph; I do not think that the photo (F5) is of the President. I have marked for you on the photostat that you sent me where I think the entry wound was.
I first saw the large wound in the back of the head in the car; when we were preparing the body for the coffin I had the opportunity to examine it more closely. It was about 5ins in diameter, there was no flap of skin covering it, just a fraction of skin along part of the edges of bone, there was however some hair hanging down from the top of the head which was caked with blood, and most of the brain was missing. The wound was so large I could almost put my whole fist inside.
When we prepared the body I washed as much blood as I could from the hair; while doing this I did not see any other wound either in the temples or in other parts of the head.