Some good info, but my though was there is a stressed out, under appreciated, underpaid, understaffed police officer who had a history of dealing with this guy and went too far. I worked in a correctional setting many years and at times I felt borderline of going beyond what is necessary it took to get the situation under control. Thank goodness I had thick enough skin it did not happen. Pretty hard to stay in emotional control dealing with someone pushing every button you have.
Chauvin will pay for his actions, but put yourself in his shoes as to him I bet those 9 minutes were like a couple with the adrenaline pumping and dealing will people like this.