That's when the whole farce became clear.
Seems that in your second post you have already resolved the matter to your satisfaction. I don't understand why you raised the earlier question at all.
In my original post I was envisioning a scenario where parents were deported and young children were left here in the U.S. That probably doesn't happen very often (which is why I posted my first question). Then the other poster pointed out that this mainly applies to older children and young adults who were brought here years ago.