Inside El Salvador's 'hell on Earth' prison where Donald Trump is to banish US criminals These chilling photos capture the harrowing realities inside the "hell on Earth" jails in El Salvador - where Donald Trump is set to send the US' violent criminals.
The US leader believes the move will help make both countries "stronger, safer, and more prosperous" but little El Salvador, on the Pacific coast, has a population of just six million - a tiny fraction of the approximate 334 million living in the US.
By 2015, El Salvador was the world’s murder capital, with 106 killings for every 100,000 of its six million population: a rate more than 100 times higher than Britain’s.
One of the world’s biggest prisons, with a 40,000 capacity (equivalent to almost half the UK’s current prison population), CECOT was built two years ago.
He wrote: "Having visited the US detention facility at Guantanamo Bay and the Robben Island prison where Nelson Mandela was held, the system at CECOT certainly seems harsher.