(Charles Reed | U.S. Immigration and Customs Enforcement | The Associated Press) In this Thursday, Aug. 9, 2018, photo, provided by U.S. Immigration and Customs Enforcement, mothers and their children stand in line at South Texas Family Residential Center in Dilley, Texas. Currently housing 1,520 mothers and their children, about 10 percent are families who were temporarily separated and then reunited under a “zero tolerance policy” that has since been reversed.