The stats show the police, black or white, are about equally likely to use excessive force against black or white people _per incident_. The problem is that they make contact with black people far more often per-capita. Some of this is being more suspicious of black people, of looking harder at them to find something. This is most convincingly seen with the drug war, where uses of drugs are about equal by race, but black people are stopped, searched, and arrested significantly more often. Some is a larger pre-existing societal problem of where people live. When black people are more likely to live in bad neighborhoods, and police are more likely to have encounters in bad neighborhoods...