I know it’s a long article I’ve posted b/4. It covers a lot on the medical costs as well as other illegal expenses to this country.
http://www.jpands.org/vol10no1/cosman.pdf
Each year, the U.S. imports, through both legal and illegal immigration, hundreds of thousands of additional poor persons from abroad. As a result, one-quarter of all poor persons in the U.S. are now first-generation immigrants or the minor children of those immigrants. Roughly one in ten of the persons counted among the poor by the Census Bureau is either an illegal immigrant or the minor child of an illegal.
http://www.heritage.org/Research/Welfare/bg2064.cfm