This file photo shows detainees sleeping in a holding cell at a U.S. Customs and Border Protection processing facility on June 18, 2014, in Brownsville,Texas.
This file photo shows detainees sleeping in a holding cell at a U.S. Customs and Border Protection processing facility on June 18, 2014, in Brownsville,Texas. Eric Gay AP
This file photo shows detainees sleeping in a holding cell at a U.S. Customs and Border Protection processing facility on June 18, 2014, in Brownsville,Texas. Eric Gay AP