It requires some process to determine where a particular person is from, including if they are from here or elsewhere.
Discussion
Yep, would be pretty bad if they were deporting random people off the street. Silver lining from having a surveillance state that knows everything about you.
But practically, is that feasible when illegal immigration goes unchecked for four years and you have millions of people to process? Seems to me that that becomes a point of failure that is being exploited. Bury the other political party with an insurmountable amount of work and endless negative publicity.
How long to determine how they arrived?