Biden announces actions to tackle gun 'epidemic'
Breathing expert: Floyd died from lack of oxygen under Chauvin
Warning: Video may contain graphic content that some viewers may find disturbing. Dr. Martin Tobin, a Chicago physician who has specialized in respiratory and critical care medicine for decades, said he has reviewed much of the evidence and concluded that "Floyd died from a low level of oxygen. This caused damage to his brain that we see, and it also caused a [pulseless electrical activity] arrhythmia that caused his heart to stop."
Floyd family speaks about progress of trial
They expect some tough times ahead with difficult evidence in court.