From the Wall Street Journal:
GOP Rep. Steve King and other immigration restrictionists have long claimed that illegal immigrants drive crime in the U.S., even though studies continue to show that the foreign-born, regardless of their legal status, commit crimes at disproportionately lower rates than U.S. natives. …"For every ethnic group without exception, incarceration rates among young men are lowest for immigrants, even those who are least educated," wrote Mr. Ewing in a 2007 study that he co-authored with Ruben Rumbaut [professor of sociology at University of California, Irvine]. "This holds true especially for Mexicans, Salvadorans, and Guatemalans who make up the bulk of the undocumented population." By the way, these findings comport with federal and state studies going back a century. If anything, today's immigrants are less likely to be involved in criminal activity than their predecessors.

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