When combined with population trends, state-prisoner data suggests that undocumented immigrants coming to Utah obey the law once they are here. Looking at county-level data in Utah, of the 5,269 inmates in county jails, only 3.9 percent were identified as undocumented immigrants--nearly equal to the estimated undocumented proportion of the total state population in 2008 of four percent.
March 19, 2008 - Robert J. Sampson in Contexts, Vol. 7, No. 1, American Sociological Association
Immigration—even if illegal—is associated with lower crime rates in most disadvantaged urban neighborhoods. Increasing immigration tracks with the broad reduction in crime the United States has witnessed since the 1990s.
February 25, 2008 - Public Policy Institute of California
Immigrants are far less likely than the average U.S. native to commit crime in California. Even among noncitizen men from Mexico ages 18-40 – a group disproportionately likely to have entered the United States illegally – the authors find very low rates of institutionalization.
January 15, 2008 - Laura J. Hickman, Portland State University and Marika J Suttorp, RAND Corporation in Criminology & Public Policy
The results revealed no difference in the rearrest rate of deportable and nondeportable aliens in terms of its occurrence, frequency, or timing. The results lend no support to the ubiquitous assertion that deportable aliens are a unique threat to public safety.
February 26, 2007 - Ruben G. Rumbaut, Ph.D. and Walter A. Ewing, Ph.D. for the Immigration Policy Center
Data from the census and other sources show that for every ethnic group without exception, incarceration rates among young men are lowest for immigrants, even those who are the least educated.