But if you make multiple withdrawals within a short period that total more than $10K (to avoid hitting that $10K threshold), that's "structuring", and that's what they nailed him for.
It’s not just withdrawals; it’s transactions, period. You may be hiding your ill-gotten gains by depsiting that egg-money piecemeal. Everyone is a criminal—the only real question left is, “is your arrest convenient for the government?”