Below is their recent analysis of 800 police shootings. They find--wait for it--that the vast majority of police shootings are clearly justifiable. Yes, justifiable. The typically occur AFTER the assailant fired or brandished their weapon or after the assailant attacked another person. In only 5% of the cases did WaPo find the shooting “questionable.” So much of cops just running around gunning down innocent people.
Read it here: http://www.washingtonpost.com/sf/investigative/2015/10/24/on-duty-under-fire/