I would entertain the thought of a stroke etc. except for the robbery of his briefcase and wallet - that changes everything in my opinion.
He was probably attacked in some manner (hit on the head), maybe even injected with something. But, as you say the man who left Happy Harry’s is not the man who showed up in the Lemours Bldg 40 min later.
Looking for videos - this one is with Eric Shawn and Dr Baden early on.
http://www.youtube.com/watch?v=V8aw4AkZ56o
Of one thing we can be certain...it was a homicide. The determination was made AFTER the autopsy. The results were not pending results from the lab. The autopsy was done on the 1st and the ruling was released almost immediately.
The silence of LE and media disinterest goes well beyond what we see in the "normal" street crime (if there is such a thing). Interesing graph at google:
Number of sources covering story:
from:
That it bottoms out after 3 days speaks volumes (IMHO)
“Iman Goldsborough .....later recognized as John P. Wheeler wandered into the parking garage where she works on December 29 around 6:40 p.m., disheveled and carrying a shoe in one hand.....”
“’I'm not drunk, I'm not drunk,’” Goldsborough quoted Wheeler as saying.
This is where the description of “lucid, but labored” may have come from—if he was drugged, it may have taken an enormous amount of energy to focus on the present.