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The other autopsy and finding that do support asphyxiation and rule out the drugs, etc. were PAID FOR BY THE FAMILY.
You'll never clearly convince me beyond a shadow of doubt that he was asphyxiated to death. Not with those other conditions and not with those statements. You don't have to believe he OD'd outright to believe that all of that contributed and therefore it wasn't something that would have killed someone without those issues. Given that those are unknown issues to the cop I don't see how you can call it murder (premeditated).
It is somewhere in between - but that does not equate to murder for me.
Dr. Baden's conclusion of asphyxiation was based solely on abrasions to Floyd's face and he announced his conclusion before the tox report and tissue sample analysis was complete. He didn't rule out overdose because he never even looked for it. For an ME is his renown, that was gross malpractice which is why the state opted not to put him on the stand, wisely in my view.
Here's the problem with asphyxiation as the cause of death. Dr. Tobin, the pulmonologist, first testified that Floyd suffered a brain injury induced by hypoxia, a lack of oxygen to the brain. Now that condition can occur under multiple circumstances, blocked airway, like choking, cut off if blood flow to the brain (both carotid arteries), the presence of carbon monoxide which prohibits O2 from bonding with the hemoglobin in the blood or severe suppression of the respiratory system subsequent to fentanyl overdose.
ER doc Langenfeld testified as to Floyd's blood gases including the fact that Floyd had double the expected amount of CO2 in his blood at 85%. Again, a finding that could support a number of reasons Floyd was not properly making the respiratory exchange taking the CO2 out and putting the O2 into the blood flow. That came out during the cross be Nelson.
Upon redirect of Langenfeld, the prosecutor went off on a tangent about Floyd's head being near the exhaust and suggested that was the reason for the high CO2 number. (Which is idiotic because car exhaust increases levels of carbon monoxide, not carbon dioxide.)
Dr. Fowler (defense expert) submitted a report back in February questioning why a carboxyhemoglobin test was never done to rule out carbon monoxide. His take a forensic pathologist was that Floyd's manner of death should have been classified as undetermined since there were so many factors to consider, some which had medical results and other that did not.
Even the ME Baker said the analysis of what killed Floyd was a "multifactorial" one. So Nelson asked Fowler on direct about the fact there was no carboxyhemoglobin test and what that meant. Fowler said it simple meant he could not rule it out. Pretty innocuous statement. But the prosecution didn't see it that way.
They flipped out, lied to the court about some "newly discovered evidence" and put Dr. Tobin on the stand. (Risking the wrath of Cahill and the very real possibility of a mistrial to do so.) This time Dr. Tobin testified that Floyd couldn't possibly have a large amount of carbon monoxide in his blood
because Floyd has such a high level of O2 in his blood gases, 98% in fact.98% O2 blood saturation content means Floyd was not hypoxic., i.e. had low oxygen levels in his blood.