FinCEN may pay 10% to 30% when a case leads to over $1 million in sanctions....

https://sergioxljg203.cavandoragh.org/fincen-whistleblower-program-for-casinos-what-would-a-strong-tip-include

FinCEN may pay 10% to 30% when a case leads to over $1 million in sanctions. But claims take 2 to 5 years, and rules apply. This guide sets out the steps, risks, and key checks before you report