The point is, the way his face looks in the picture (post-autopsy?), has nothing to do with his cause of death, his face looks that way as a result of his death.
The second autopsy doesn't say "choked" or "strong armed", it says "non accidental blunt force trauma to his right neck.
"People dying natural deaths often have minor blunt force injuries that do not contribute to death -- small abrasions or contusions on the skin are commonplace at autopsy. Although it is important to document evidence of blunt force trauma in all autopsies, one should not immediately assume that blunt force trauma is the cause of death."
Procedure to determine blunt force trauma neck injury.
GBI did the above referenced special dissection to determine blunt force trauma.
Anderson did not. GBI found no blunt force trauma.
JMO