Yes, but ONLY if they NEVER disclosed their US address, phone number, email, or US ties to the bank.
Used an open-source RDP to log into his local computer in zero-tax jurisdiction to read emails or respond, so the banks could see (if they were watching) the IP address of the country he claimed as a residence. Have a local phone number in the zero-tax jurisdiction etc.
Caveat: To the "uninitiated", this may be of value, but IRL, the US prosecutors don't give AF about truth︀ or evidence.