I think most people fail to realize that most illegal immigrants do not get into the US by sneaking across the border. They come in legally, but then overstay. Most come as tourists who are visiting, and there is really no effective way to deal with this.

Should a Mexican family not be allowed to go on vacation to the United States the same way Americans visit Mexico on vacation? What about people from other countries? Are we going to shut down the entire tourism industry in the US to foreignors? Only to people from certain countries?