Somebody who was convinced he was dealing with a real bank. Suit is for fraud as well as breach of contract
"Fraud must be proved by showing that the defendant's actions involved five separate elements: (1) a false statement of a material fact,(2) knowledge on the part of the defendant that the statement is untrue, (3) intent on the part of the defendant to deceive the alleged victim, (4) justifiable reliance by the alleged victim on the statement, and (5) injury to the alleged victim as a result." https://legal-dictionary.thefreedictionary.com/fraud