(AP Photo/Wilfredo Lee, File) In this June 1, 2018, file photo, children hold signs during a demonstration in front of the Immigration and Customs Enforcement offices in Miramar, Fla. The Trump administration's move to separate immigrant parents from their children on the U.S.-Mexico border has turned into a full-blown crisis in recent weeks, drawing denunciation from the United Nations, Roman Catholic bishops and countless humanitarian groups.