It’s not like there are people checking for immortals, I think it would be flagged by a dmv employee or something when they dont believe a clear 21 year old is actually 150. Let’s assume it’s current day im caught and not bring speculation on what the US is like in the year 2139 is like.
Crime mostly.
Yeah you can pay a bunch of money to shady people who did some identify theft stuff to get the ID.
When you fail a few times, you lower your standards and boom
Yakuza.