Working Paper 1905 Research Department https://doi.org/10.24149/wp1905 Working papers from the Federal Reserve Bank of Dallas are preliminary drafts circulated for professional comment. The views in this paper are those of the authors and do not necessarily reflect the views of the Federal Reserve Bank of Dallas or the Federal Reserve System. Any errors or omissions are the responsibility of the authors. Do Immigrants Threaten U.S. Public Safety? Pia Orrenius and Madeline Zavodny