He need to consult an immigration lawyer and start doing a paperwork application for a permanent resident status if he is clean and was brought in as a minor. He may get some kind a waiver while his case is under consideration.
Did you get a support check during the pandemic? Besides a bank transfer letters from Trump were sent out to the recipients of help. He signed them as a head of feds. Quite open if you pay attention. I even saved the letter
May be inauguration of the 19th president will be sooner than expected