Ellen Greenberg‘s 2011 dying from a number of stab wounds at the back of her head and neck was dominated a suicide as soon as once more … however a forensic pathologist tells TMZ that is “biomechanically implausible.”

Veteran dying investigator Joseph Scott Morgan joined us on “TMZ Stay” Tuesday, saying he was shocked when he heard the ruling … “You possibly can’ve knocked me over with a feather, as they are saying.”

He continued, “We thought that science would prevail. None of us actually noticed this coming.”

Now — following strain from Greenberg’s household to revisit the case — Philadelphia’s Chief Medical Examiner Dr. Lindsay Simon has doubled down … utterly baffling Morgan.

“It is biomechanically implausible,” he tells us earlier than including, “There is not any indication she was in some psychological state the place she would react on this frenzied method.”

Morgan — who’s labored for regulation enforcement in New Orleans and Atlanta — additionally says in some unspecified time in the future a neuropathologist noticed the samples of Greenberg’s mind stem, concluding that in that space — the place the knife had handed by means of — there was no hemorrhage.

He says, “That leads us, scientifically, to conclude that that is doubtlessly a autopsy damage.”

In response to Morgan, officers might stand to be extra clear relating to the case … “There’s by no means been a presser the place these individuals have been requested questions particularly about this. Clarify your rationale for this, as a result of we wish to perceive.”

TMZ reached out to the Medical Examiner for an evidence on how they suppose Ellen might’ve accomplished it herself … thus far, no phrase again.