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.