And due process is determined by the status of the individual. If they’re here illegally and cannot prove they qualify for asylum - which the majority do not - than they have gotten their due process, and get deported.Yeah, if they are on our soil.
The main reason for the govt using Guantanamo, was so they could hold enemy combatants/terrorists there, without all of their due process rights that they would have gotten if they imprisoned them inside the USA.... ACLU or the likes, sued them anyway, but I don't remember how that all turned out?