Again, the assumption in All of these visual aids is that JFK's throat wound was an Exit Wound. WHERE is there Any Proof that JFK's Back Wound connected/Exited at a point on his Throat?
It is not an assumption. It is an inference based on the available evidence.
There was a 6 mm entry wound on the back just to the right of the spine near the neck. There was no bullet in the body. There was a bullet hole in JFK's neck that was observed by the medical staff at Parkland. The hole was enlarged for a tracheostomy. There were holes in JFK's shirt under the tie and a nick on the tie consistent with a bullet exiting the throat at that location. There was evidence that bullets were fired from the SN using the 6.5 mm rifle found on the sixth floor. Ballistics and medical evidence indicates that JFK's neck would not have stopped such a bullet.
From that evidence one can draw a reasonable inference (I would say the only conceivable inference that can be drawn from that evidence) that the throat wound was an exit wound from the bullet that struck JFK in the back.