El Salvador's mega-prison, CECOT, swallows 2,000 more gang members, joining the 12,000 already crammed inside. This brutalist labyrinth forces bitter rivals to share cells, cut off from the outside world. President Bukele boasts of ending gang communication, but critics fear a human rights crisis. With 64,000 arrested and La Esperanza prison overflowing, CECOT's monstrous maw might not be enough.