Race, class, and people killed by cops

I just came acrossLocal police involved in 400 killings per year:

Nearly two times a week in the United States, a white police officer killed a black person during a seven-year period ending in 2012, according to the most recent accounts of justifiable homicide reported to the FBI. On average, there were 96 such incidents among at least 400 police killings each year that were reported to the