TONIGHT: Lilia Luciano goes inside El Salvador’s Terrorism Confinement Center, where thousands of prisoners — shaved heads, uniformed and expressionless — stand motionless in eerie silence. Watch at 6:30 p.m. ET on CBS Evening News. | CBS Evening News

CNN's David Culver reports from outside El Salvador's Center for Terrorism Confinement, better known as Cecot, after touring the mega-prison. This is where more than 275 migrants deported from the US are being held. David Culver's full reporting from El Salvador's Cecot mega-prison is only on CNN: https://cnn.it/4cpjt7b | CNN