The Volokh Conspiracy
Mostly law professors | Sometimes contrarian | Often libertarian | Always independent
You can see the data here and here. It appears likely that, as with homicide generally, the overwhelming majority of these extra homicides were intraracial, just as the overwhelming majority of the extra homicides of whites were likely intraracial.
Naturally, I very much support preventing unjustified police killings of blacks (and of whites and of others). But of course I'd like to see that happen together with a reduction of the vastly larger number of unjustified nonpolice killings of blacks (and others), rather than together with a sharp increase in net homicides.