Illegals don't always get pulled over... but this might catch a few.
When Illegals seek a job it's typically private and under the table. Few would apply at the airport where I work because our background checks would catch them quickly. But some might be dumb enough to try to get a job that requires a back ground check... this might catch a few more.
Most of the time they don't buy houses, but land contract deals might catch a few. Most of the time the illegals I know rent from people who rent to them freely or rent to a legal party while the illegals stay with them.
What do you do to catch the millions more who are not rounded up? You've got a lot more work to do. How do you plan to do it?
How do you know there are millions of illegals?
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I've gone and done it now! I'm on Facebook!!!