Have been retired twenty years. In my day we deported them. Use what currently politically correct euphemism you like,but they were, and are, still got rid of, and rightly so.
There is a lot of hysterical and ill informed stuff on this thread. It matters not who supplies illegal workers with false documents, those who present them know that they are not genuine and that they themselves are not who they purport to be, and they know full well that they run the risk of...