Every year in Minnesota, thousands of people, mostly immigrants and people of color, are detained in county jails on behalf of the Federal Government. They are held on the basis of a detainer that is authorized by Immigration and Customs Enforcement (ICE). It goes like this, when an individual is arrested for any reason and booked into jail, the jails send booking information to ICE. ICE then singles out individuals based on things like being foreign-born or a fingerprint "hit" in an ICE database. Some jails also report individuals to ICE if they suspect they are noncitizens subject to detainers. We have heard that individuals with foreign sounding names or limited English proficiency are often singled out to be reported to ICE. ICE then sends a detainer, which is a formal request to a local jail to notify ICE before they release somebody from custody, and to hold the person for up to 48 hours (not including weekends or holidays) after he or she would otherwise be released so that ICE can arrange to take over custody. If the county chooses to honor the request, they will detain the individual, sometimes for up to six days beyond when they should have been released.