Immigration has become one of the most important and contentious issues of our time. But even as policy makers in the United States and Mexico argue over what to do about the half million or more Mexicans who cross the border illegally each year to work in the United States, one fact has become indisputable. Illegal immigration has enhanced the lives of poor people more than any policy attempted by either the U.S. or the Mexican governments. Immigrants...

A damning portrait of the U.S.-Mexico border, where militaristic fantasies are unleashed, violent technologies are tested, and immigrants are targeted. Over the past three decades, U.S. immigration and border security policies have turned the southern states into conflict zones, spawned a network of immigrant detention centers, and unleashed an army of ICE agents into cities across the country. As award-winning journalist John Carlos Frey reveals...