sentences:  In 1923, the U.S. Secret Service found evidence of Messina's involvement in a counterfeiting scheme when they arrested Salvatore Leonardi, finding a letter in his possession addressed to Messina and discovered that Messina had sent a $100 money order to the leaders of the scheme.Over fifty people were arrested for being involved in the scheme to distribute a half-million dollars worth of counterfeit $10 Federal Reserve Bank of Boston notes.Messina was never charged in the scheme, but he took an extended trip to Sicily, returning in December 1924.