Other methodologies used to calculate the number of illegals, while attempting to remove the thumb of those with a vested interest in open borders and amnesty from the scales,
come up with far more disturbing estimates. Estimates that conclude as many as
20 million to 40 million illegals “have evaded apprehension and live in the United States.”
http://canadafreepress.com/article/whats-the-real-number-of-illegals-in-america