Trump promised to hold 30,000 migrants at Guantanamo. It's mostly empty.

Just eight days after returning to the White House last year, President Trump announced plans to turn the U.S. military base in Guantanamo Bay, Cuba, into a massive detention center to hold 30,000 detainees facing deportation as part of his aggressive crackdown on illegal immigration. But a CBS News review of internal government documents and information provided to Congress shows the detention facilities at Guantanamo Bay are sitting mostly empty over a year later, even though the highly …