It began with threats of U.S. visa bans on a swath?of African nations. Then Washington started to scatter migrants from all over the world to various corners of the continent, often with cash sweeteners for their governments.

Cambodian Pheap Rom, 43, ended up in a notorious high-security prison in tiny Eswatini, which is run with an iron fist by King Mswati III. ¡°I didn¡¯t understand why I was being expelled to Africa since I¡¯m Cambodian,¡± he said.

Others were sent to Congo and Uganda; others still dropped off the radar after being sent to war-torn South Sudan.