Wait.
WHICH visa did he overstay?
It matters.
Wait.
WHICH visa did he overstay?
It matters.
90 visitor visa waiver program. The one you fill out the plane.
I don`t think this matters now as after 2 weeks of being married, his wife told him he she was confused and was a lesbian. She also suffers from bi-polar and refuses to file any paperwork for him.