Some 278 men have been deported by the Trump administration to El Salvador, accused of being members of the Venezuelan Tren de Aragua gang or Salvadorans who are said to be part of MS-13. CNN's David Culver toured a sector of Cecot mega prison, which neighbors where these deportees are being held in conditions similar, CNN was told, to convicted gangsters. David Culver's full reporting from El Salvador's Cecot mega-prison is only on CNN: https://cnn.it/42pRUWP | CNN