‘Among the most disturbing ideas floated by the Trump administration in recent weeks is the possibility that it will send U.S. citizens to be imprisoned by the Salvadoran government.
Nayib Bukele, El Salvador’s Trump-friendly president, reportedly made the offer in recent weeks. Trump raised the possibility with reporters in the Oval Office last week, though he conceded that he “[doesn’t] know what the law says on that.”’
His plan to send American citizens to foreign prisons is the latest in a long series of affronts to the American constitutional order.
newrepublic.com
Pretense at ignorance aside, Trump knows, because his henchmen told him. It's just that (like anything else) Trump doesn't care about the rule of law, due process, or the Constitution.