This is indeed a “Hot Topic” these days. If you think about it a bit, just by the very name it is obvious that these folks are criminals. If you do something “illegal” you are breaking the law. You may not LIKE the law. You may think the law is unfair. But the minute you disobey the law you are, by definition, a lawbreaker, a criminal.
Now, there’s a scourge across our land and that is the huge number of folks who have entered our nation contrary to the laws of our nation. Or they have come in according to the law – and overstayed their welcome. That is, they’ve come in as students or tourists or whatever – and then stayed as lawn care, cleaning, farming or other workers. There are folks practicing medicine or dentistry to certain degrees in various parts, catering to other folks who are also up in the US illegally – without benefit of a medical or dental liscence. And sooner or later someone’s going to be hurt and what recourse will they have?