Passing it off as proceeds from a vending machine business was smart, I wonder if he actually had a fleet of vending machines to make that plausible. Of course you’d need to be able to show receipts for cost of goods sold… money laundering is hard!
Laundromats would have been ideal for this kind of, well, money laundering. In a pre-digital era, who’s going to check that the number of cycles on the washing machines line up exactly with the takings?