Honest, responsible business men and women don't break US law by hiring illegals. Prosecuting and imprisoning one or two notorious employers of illegals in every large and medium size city in every state as an example to others would do more to stop or slow illegal immigration than deporting a million illegals, although I favor doing both.
If employers know that they may go to prison for several years for the CRIME of hiring illegals they won't hire them, and when jobs are no longer available the illegals will go home.
The popular notion that illegals only take the jobs that Americans won't do would be amusing if it wasn't so outrageous. If every able bodied American man and woman who is on the welfare dole simply because they don't like working was pried off the government teat, most of them would take those "jobs that Americans won't do" rather than live hungry and cold in cardboard boxes or under bridges.
Maybe you haven't noticed. It has been a "crime" to hire illegals for quite some time, and they're still all here. I guess maybe it's not a crime to hand them welfare checks and food stamps.
ML/NJ