There are too many overlapping threads here. So here is another overlap (from another thread):
The embalmer Thomas Evan Robinson:
"large gaping hole in back of head.""smaller wound in right emple"

LNers: "Nah, he was mistaken, just like the many doctors at Parkland!"
Nurse Bowron:
"I saw that there was a massive amount of blood on the back seat and in order to find the cause I lifted his head and my fingers went into
a large wound in the back of his head; I turned his head and seeing the size of the wound realized that I could not stop the bleeding. I turned his head back and saw
an entry wound in the front of the throat,..."
Nah!