It's not a crime if police officers do it on the job... it's just you know.. 'bad work'.. they have a special legal system where the police union contract makes it impossible to fire them and the prosecutors just refuse to do their job and give them immunity from criminal prosecution for what would be if same thing was done by anyone anywhere else.. grope someone on the Green line train? You get arrested and charged, kept in jail without bail. But as a cop, you can grope someone anywhere and it is not a crime.. maybe you get fired or maybe you get a paid holiday. It's a great job, and actually, no reason to do crime - just join the police force and it is much easier to steal and assault people and not get the usual punishment for it.