Motivated by Trump's rhetoric, social scientists set out to answer this question: Are undocumented immigrants more likely to break the law?
4 academic studies show that illegal immigration does not increase the prevalence of violent crime or drug or alcohol use.
Michael Light, a criminologist at the University of Wisconsin, Madison, looked at whether the soaring increase in illegal immigration over the last three decades caused a commensurate jump in violent crimes: murder, rape, robbery and aggravated assault.
"Increased undocumented immigration since 1990 has not increased violent crime over that same time period," Light said
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