I farely believe Christianity includes many good morality we all had better follow. But we are likely to be at a loss if we had to be killed because we were unable to follow the teachings of Christianity. Do Christians tend to believe we all sinners ought to be killed?
Crimes committed by priests or policemen are bad in nature since we tend to believe priests are morally good and policemen always uphold the law. We'd better not hold such illusions. They are just an ordinary person as well or perhaps they might have become priests or policemen for other reasons.