This has to be done in different way,
Find the account and query to know the owner,
Let the owner in an open language explain how he has that much money,
If he fails, suck the owner, return the money to Higher learning Institution Student Loans Board
If he says he is doing business then check every company, tax payment, income amaount and every operational details to reveal the money in the account.
Au mwisho tumnyonge tumuweke makumbusho ili awe fundisho