For example, in order to get off, a suspect might give false evidence against someone, helping to convict an innocent person. Which brings us to . . . Only in a police state is the job of a policeman easy. These are the law enforcement officials who are getting something from consensual crimes remaining crimes. At the lower levels of corruption are police officers looking for easy collars.
Many police departments require a minimum number of collars per officer per month.
As the month nears its end, police officers actively seek arrests to fulfill their quotas. People committing consensual crimes, of course. Then there are those who get the collars and the cash. If somebody did notice, well, an arrangement could be made. Someday I want to be rich.