>>What is left out in the analogy is that someone in the house has welcomed them and gave them a room to stay in.
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>Yes, but the person that invited them in was not authorized to do that. I agree that the US needs to get tougher US companies and people that benefit from illegal immigration.

If the government was all the interested in stopping this they could start by checking who the people paying in payroll taxes under invalid SSN numbers are. It is not like them to turn away money.