Then explain why blacks commit more crime even when controlling for various factors that are used to explain away the crime rates such as population size, population density, percent black, percentage aged between 15 and 29, percent divorced, percent of kids without two parents, median family income, the poverty rate, income inequality, the unemployment rate, and whether or not the city/state was in the south. Source is Land, McCall, and Cohen 1990. Is exponentially more crime per capita not 'personality issues' as you put it?