FinCEN whistleblowers may receive 10% to 30% of collected sanctions when...

https://spark-wiki.win/index.php/Does_FinCEN_Pay_for_Tips_About_a_Non-Compliant_Culture%3F

FinCEN whistleblowers may receive 10% to 30% of collected sanctions when penalties exceed the $1 million threshold. But awards can take 2 to 5 years, and eligibility is complex. Understand the process before deciding whether to report.