According to the U.S. Treasury Department, illegal aliens are bilking the federal government for billions because they are filing fraudulent returns, and the sum is much higher than even a top group opposed to illegal immigration has estimated.

The Treasury reported in July that the Internal Revenue Service coughed up $4.2 billion in child tax credits for illegal aliens in 2010.

Given how nasty the IRS gets with taxpayers who err even honestly on their taxes, or those who do not err at all, observers note that the agency is rather insouciant about the indirect subsidy to those who aren’t supposed to be in the country.

The Treasury reported that illegals are fraudulently using the Additional Child Tax Credit, which was created to give more money to taxpayers who cannot claim a full tax credit for children.

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