"What's wrong with that? Everyone benefits."
As long as they pay their taxes.
Talk about setting up a fear state. Operation mind crime Free Republic is not.
But anyone working full time for all but the smallest of employers will be paid by check prepared by the bookkeeper and a record will be preserved for tax deduction purposes. Withholding taxes have to be withheld and paid to the government or the employer could end up in very serious trouble when he got audited. The IRS has formulas for estimating the labor costs of all types of businesses. They know what percent of gross receipts are average for roofing businesses, pizzerias, auto repair shops, landscaping companies, bakeries, etc... If you deviate too far the computer kicks out your tax return for an audit. The government may not fine you for hiring illegals but they will send you to prison for not withholding their taxes.