The legal team of Roman Storm, co-founder of Tornado Cash, has learned, that in April 2023, prosecutors in the Samourai Wallet case had a call, which was disclosed only in May 2025, with senior Financial Crimes Enforcement Network (FinCEN) officials, during which FinCEN reportedly stated that the crypto mixer Samourai Wallet did not appear to be a money transmitter, as it did not custody customer funds