BTW, aside from providing closure to the family of a previously unidentified body (as I mentioned), another reason to identify them is that doing so might help if something criminal occurred. (That is, if they were murdered.)
I assume that list covers the status of 99.9% of all John/Jane Doe’s.
I recollect that when my prints were taken in the 1990s for an FBI check so I could teach, I was assured that they would not be retained after they were checked against a criminal database.
There are hundreds of deaths annually of people trying to cross the Mexican border and dying in the desert, in the Rio Grande, etc. In 2023, there were 560 found. I bet many of them didn’t carry valid IDs.
StG
My error on US passport fingerprinting. Not required.