Conveniently you ignore the murder rate. It must be comforting to pick and choose the statistics that you like.
Here, I'll help you out.
An analysis of the available FBI data by Vox's Dara Lind shows that US police kill black people at disproportionate rates: Black people accounted for 31 percent of police shooting victims in 2012, even though they made up just 13 percent of the US population. http://www.vox.com/2015/4/10/8382457/police-shootings-racism