F6: Allow me to help you with your research. I can provide more if you wish. The Fiscal Burden of Illegal Immigration on United States Taxpayers (2013) http://www.fairus.org/publications/the-fiscal-burden-of-illegal-immigration-on-united-states-taxpayers The Fiscal Cost of Unlawful Immigrants and Amnesty to the U.S. Taxpayer http://www.heritage.org/immigration/report/the-fiscal-cost-unlawful-immigrants-and-amnesty-the-us-taxpayer IRS has illegal immigration and taxes problem http://thehill.com/policy/finance/276086-irs-mulling-how-to-address-illegal-immigrants-using-others-identities Sorry, But Illegal Aliens Cost The U.S. Plenty http://www.investors.com/politics/editorials/sorry-but-illegal-aliens-cost-the-u-s-plenty/