Today, nearly 250 local jurisdictions in the U.S., including 5 states, have established sanctuary policies indicating they will not automatically honor Immigration and Customs Enforcement Agency (ICE) detainer requests. In a study published in Contemporary Economic Policy, researchers used data from the Federal Bureau of Investigation Uniform Crime Reporting Program to estimate the relationship between sanctuary policies and various categories of crime at the county level from 2010–2016.
Click here for original story, Sanctuary city policies linked to lower crime rates in recent years
Source: Phys.org