[curiosity]

According to that logic, anyone who has committed fraud, or any other crime, and it has not been detected until later, they're in like flynn!

Yup. It's called a statute of limitations. Good luck finding someone to prosecute a case of college application fraud that allegedly took place in the early 1980's.

[little jeremiah]

You’re an idiot. It’s not that he may have committed fraud in the ‘80s - he may indeed have been (or may be yet for all we know) an Indonesian citizen. The fraud was lying about his eligibility, if he was an Indonesian citizen.