It would also be interesting to see reporting on officer's perception of the offenders. Are we seeing the results of "passing the attitude test"? Then it would

It would also be interesting to see reporting on officer's perception of the offenders. Are we seeing the results of "passing the attitude test"? Then it would be interesting to study if identical actions of racially diverse drivers are perceived differently (i.e. if the same actions are perceived as polite with one race, confrontational with another).