Immigration advocates have long asserted that local law-enforcement agencies should not cooperate with federal immigration authorities because doing so would cause immigrants to avoid reporting crimes out of fear of deportation. This justification for “sanctuary” jurisdictions has always been dubious, but now we have data that directly refute it. Starting in 2017, the Department of Justice added a citizenship question to its annual National Crime Victimization Survey (NCVS), which is the largest and most authoritative survey of crime victims. The 2017–19 NCVS indicates that the whole basis for sanctuary polices is a myth; it turns out that crimes against immigrants are reported to police at rates that match or often exceed those for crimes against the U.S.-born.
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[Read the rest at National Review.]