... However, a study last year by Harvard Economics Professor Roland Fryer, who is black, concluded that for the Houston police department: “On the most extreme use of force – officer-involved shootings – we find no racial differences in either the raw data or when contextual factors are taken into account.” Unfortunately, he doesn’t have the race of the officer doing the shooting and the data for just one police department doesn’t allow the investigation of police policies. Using four national databases of crime statistics representing confrontations between police and civilians in many parts of the U.S., the study did...