#DerekChauvinTrial: The state will now focus case on medical testimony as to George Floyd's cause of death.

The state is expected to call Dr. Andrew Baker, the Hennepin County medical examiner who conducted Floyd’s initial autopsy and determined the manner of death was homicide
The state’s outside medical expert, Dr. Martin Tobin, a pulmonary and critical care medicine with 45 yrs of experience, testifies that his opinion is George Floyd died from a low level of oxygen that caused brain damage and caused an arrhythmia that made his heart stop.
Dr. Martin Tobin testifies that 4 forces combined to cause George Floyd to have shallow breathing that led him to have a low level of oxygen:
1)Prone on the ground
2)Handcuffed
3)Knee on his neck
4)Knee on his back
Dr. Tobin testifies that in his observations, Derek Chauvin’s left knee was on Floyd's neck for the vast majority of the time, more than 90% of the time.
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