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MINNEAPOLIS – A medical expert in the physiology of breathing testified in the murder trial of Derek Chauvin that the way George Floyd was restrained – handcuffed behind his back, face down, with one knee on his neck – prevented him from breathing correctly. .

Dr Martin Tobin, called as an expert witness by the prosecution, said the cause of Floyd’s death was hypoxia or a low level of oxygen which led to suffocation or suffocation. The overall effect of the restraint was almost “as if a surgeon had come in and removed the lung,” he said, referring to Floyd’s left lung.

“A healthy person subjected to what Mr. Floyd was subjected to would have died as a result of what he was subjected to,” Tobin said.

Chauvin is charged with second degree murder, third degree murder and second degree manslaughter in Floyd’s death. The defense argues that Floyd died from the drugs in his system and underlying medical issues, but prosecutors say Floyd was killed by Chauvin’s knee to his neck for more than nine minutes.

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Latest updates:

  • Daniel Isenschmid, a forensic toxicologist who analyzed the blood and urine of George Floyd, took the witness stand Thursday afternoon.
  • So far, jurors have heard from 31 witnesses – all named by the prosecution.
  • The attorney’s questioning returned to the subject of Floyd’s drug use on Wednesday. Nelson suggested that Floyd say the words “I ate too many drugs” during his fight with the police on the last Memorial Day and played several seconds of unintelligible audio from the police body camera to witnesses.
  • On Wednesday afternoon, two forensic scientists said the pills found in Floyd’s SUV and police car contained methamphetamine, a stimulant, and fentanyl, a synthetic opioid. A toxicology report found both drugs in Floyd’s system after his death.

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