President Trump’s decision to send migrants to a Salvadoran prison has set off a national debate in the U.S. In El Salvador, the phenomenon of men disappearing into prisons is all too familiar.

It was a reprieve for the group of Venezuelans detained at Bluebonnet, who still face being potentially sent to CECOT, the notorious maximum security prison in El Salvador where the Trump administration has sent at least 137 Venezuelans under the 1798 Alien Enemies Act,

More than 30 detainees arranged themselves in a dirt yard at the Bluebonnet Detention Facility in Anson, Texas, to form the letters “S-O-S,” an internationally recognized distress signal, while a drone flew overhead,