JOAN RIVERS DEATH TO REMAIN A MYSTERY.

We may never know exactly what killed Joan Rivers ...
because a decision was made NOT to do an autopsy .
Sources connected to the NYC Medical Examiner
tell us ... Melissa Rivers was despondent when Joan died and
told doctors she did not want an autopsy performed.
According to New York law, doctors will honor such a request
if there's no evidence of criminality associated with the
death. The Medical Examiner has concluded the cause of
death was deprivation of oxygen which caused irreversible
brain damage. We're told they determined the "predictable"
complication involved the procedure itself and not
Propofol. Here's the problem ... we're told without an autopsy
it's impossible to pinpoint the nature of the problem. As one
source said, an autopsy might reveal a puncture in the throat
or other trauma. The only way Joan's family might get a
definitive answer is if a doctor or nurse owns up to a possible
mistake ... and even then it's just someone's word. So the
precise cause of Joan's death may forever stay a mystery.