Dr. Jonathan Rich, a Northwestern Memorial Hospital cardiologist, echoed other witnesses in saying George Floyd died of low oxygen levels from the way police held him down. More experts testify as Derek Chauvin's trial enters its third week.
Dr. Jonathan Rich, a Northwestern Memorial Hospital cardiologist, echoed other witnesses in saying George Floyd died of low oxygen levels from the way police held him down. More experts testify as Derek Chauvin's trial enters its third week.