 And immigration officials at the border are still enforcing immigration law. And we should say that make America safe again is a little bit a weird framing because it is true that violent crime is at a near 50 year low at this point. But let's talk about this claim that we heard a lot about last night, that undocumented immigrants are committing crimes while in the U.S. This idea that more immigration leads to more crime is at least 100 years old. Is it true?