More cutting through the myths from Heather MacDonald. In short, there is no reason to expect racial parity in traffic stops or arrests because of real differences in behavior.
"Systemic racism" is simply something people believe is true because it gets repeated enough, and doesn't seem to have any data backing it up beyond just making the assumption there's no difference in criminality or aggressiveness to the police in whites versus blacks.Blacks resist arrest at four times the rate of whites, according to one study; a decade’s worth of data show that black males make up over 40% of all cop-killers, though they are 6% of the national population.