Undocumented immigrants prepare to enter a bus after being processed at Tucson Sector U.S. Border Patrol Headquarters Thursday, Aug. 9, 2012, in Tucson, Ariz.
Undocumented immigrants prepare to enter a bus after being processed at Tucson Sector U.S. Border Patrol Headquarters Thursday, Aug. 9, 2012, in Tucson, Ariz. Ross D. Franklin AP
Undocumented immigrants prepare to enter a bus after being processed at Tucson Sector U.S. Border Patrol Headquarters Thursday, Aug. 9, 2012, in Tucson, Ariz. Ross D. Franklin AP

What is a sanctuary city?

January 25, 2017 2:39 PM