https://www.miamiherald.com/news/local/immigration/article312042943.html
Around 800 detainees showed no record on ICE’s online database. More than 450 listed no location and only instructed the user to “Call ICE for details” — a vague notation that attorneys said could mean that a detainee is still being processed, in the middle of a transfer between two sites or about to be deported.
Oh, sure, the boarding school system that murdered hundreds of native children seized by this same govt, as well as the Canadian one. I mean, you can also look to big efforts like Germany, but don't forget a lot of that was inspired by the US and our evil methods of legally dehumanizing people.
https://www.history.com/articles/how-the-nazis-were-inspired-by-jim-crow