Derek Chauvin was convicted on the basis of false evidence.  His conviction rested on a video taken at an angle that produced a misleading view.  As I reported at the time, up close police videos showed Chauvin's knee was on Floyd's shoulder, an approved restraint illustrated in the approved police practices handbook.  This information was buried under constantly repeated showings by the irresponsible and witch-hunting American media of the video which from the angle it was taken made Chauvin's knee on Floyd's shoulder look like it was on Floyd's neck..  

The three officers, Alexander Kueng, Thomas Lane, and Tou Thao (a black, a white, and an Asian) convicted along with Chauvin were simply convicted for being present on the scene. 

As I pointed out at the time, Chauvin was indicted and convicted by the irresponsible American media with endless repetition of "Derek Chauvin had his knee on Floyd's neck for 9 minutes despite Floyd's plea 'I can't breathe.'" This was a lie.  Chauvin was convicted by a lie.