Cost Estimates

The Fiscal Burden of Illegal Immigration on United States Taxpayers [More]

Not so fast, say "libertarians" at Cato who deride border enforcement as "silly":

We suggest an easy remedy for this problem – cut immigration enforcement.

You'll note not a one of them has a word to say about the real costs...

Or the effects that will continue to have on this...

[Via Wynn A] 

UPDATE: Oh look, more costs:

ER Wait, Illegal Aliens, and Units

[Via Mack H]