I don't think anyone would deny that being a police officer is a difficult job. But I'm not sure how you can deny that there exists a serious problem when you compare the number of people who are killed by police in the U.S. every year against the number of police in the U.S. that are convicted of a crime for their actions. Doesn't it make you curious that the police in other western countries don't seem to have anywhere near the same number of killings per capita?