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

https://milosimpressivejournals.quillnesty.com/posts/what-does-granular-knowledge-mean-in-a-whistleblower-case

FinCEN whistleblowers may receive 10% to 30% of collected sanctions when penalties exceed the $1 million threshold. Awards aren’t assured, and cases can take 2 to 5 years. Review the rules before reporting.