Your son is in the US and away from you and free to do whatever he wants to do
Illegally in the U.S.
Their son is in the USA ILLEGALLY ... and I bet they know bloody well he’s here illegally.
No kidding, a 21 year old male living a shady, illegal life in a wild, wide open society on the other side of the world and making tons of money, dear old mom and dad may not know everything about his life.