With a key hearing before a federal judge looming that could stop or slow the Trump administration’s transfer of more migrants to Guantánamo Bay, migrants the administration has already sent to Cuba have now been quietly returned to the United States,

Democrat Sara Jacobs told ABC News that officials at Guantanamo Bay said it cost $16 million to stand up the migrant camp.

Immigration and Customs Enforcement moved all remaining migrants in Guantanamo Bay back to the United States proper before their impending deportations. Roughly 300 migrants have been detained at the U.