FinCEN: Helix and Coin Ninja sites Violated anti-money laundering provisions of the Bank Secrecy Act. Larry Dean Harmon was the owner and operator of two bitcoin “mixing” sites. The sites offered mixing and tumbler services for their users. The investigation revealed that Mr. Harmon engaged in transactions with narcotics traffickers, counterfeiters and fraudsters, the agency says. The site was closely associated with several darknet marketplaces, including the AlphaBay market, which was shuttered by the FBI and Europol.”]
Source: https://www.cuinfosecurity.com/bitcoin-mixer-fined-60-million-a-15207