What to know about Guantánamo Bay, the base where Trump will send 'criminal aliens'
President Donald Trump, who made the deportation of immigrants a central part of his campaign and presidency, said the U.S. will use a detention center at Guantánamo Bay, Cuba, to hold tens of thousands of the "worst criminal aliens." "We're going to send them out to Guantánamo," the Republican said at the signing of the Laken Riley Act last month.