While illegal immigrants account for about 3.5 percent of the U.S population, they represented 41.6 percent of federal sentences in 2014 according to U.S. Sentencing Commission data.
In June 2010, undocumented immigrants represented 14.8 percent of Arizona state prisoners, but accounted for only 7 percent of the state's overall population according to the Department of Homeland Security.
In the state of Texas alone over the last few years, more than 2,000 illegal aliens were deported after committing sex crimes.
32-year-old Kate Steinle was murdered in San Francisco by a five-times-deported illegal immigrant seeking sanctuary in the city.