Him killing floyd is like saying some officer killed a subject resisting arrest with the use of taser when the suspect had heart problems . Some departments do classify tasers as lethal force, because some cases where it has caused the death of a person. But the intent is apprehend, not to take the life. In this case they would still need to prove that the officer intended on killing floyd, vs simply performing his duty. The subject died while being restrained, due to his uncooperative behavior. But this is the same reason many don’t want to be cops anymore, anyone can be made a political example.