The Terrorism Confinement Center (CECOT) in El Salvador, where President Donald Trump claimed he would jail US citizens in a 'heartbeat', can hold 40,000.
The lockup currently houses thousands of members of gangs that terrorized the Central American country for decades.
On Monday, U.S. Secretary of State Marco Rubio announced during a visit to El Salvador that Salvadoran President Nayib Bukele ...