If you look at the people who started the CIA & FBI, and the sorts of things they got up to in the orgs' early days, it becomes pretty clear that their purpose

If you look at the people who started the CIA & FBI, and the sorts of things they got up to in the orgs' early days, it becomes pretty clear that their purpose is not their publicly stated ones. Of course, that's also why it will be next-to-impossible to get rid of them.