FinCEN whistleblowers may receive 10% to 30% of sanctions over $1 million, but...
https://www.bestbookmarks.win/fincen-s-whistleblower-program-may-pay-10-to-30-of-monetary-sanctions-but
FinCEN whistleblowers may receive 10% to 30% of sanctions over $1 million, but awards are not automatic. Claims can take 2 to 5 years, and evidence and enforcement matter. The article explains what to weigh before treating the program as a real option.