https://www.bleepingcomputer.com/news/security/us-treasury-hits-bitcoin-mixer-with-60-million-penalty/

The US Department of Treasury's Financial Crimes Enforcement Network (FinCEN) today announced the first-ever penalty against a Helix and Coin Ninja cryptocurrency mixing services.

FinCEN assessed a $60 million civil money penalty against Larry Dean Harmon, the founder and operator of the Helix and Coin Ninja cryptocurrency tumblers, for violating the Bank Secrecy Act (BSA) and its regulations while operating the two services as unregistered money services businesses (MSB).