Gerald Riverton, better known as "Opera Phantom", was one of the suspects during the investigation of the murder of the Opera's director, Roland Vane, in Snakes on the Stage (Case #50 of Grimsborough).
Gerald Riverton, better known as "Opera Phantom", was one of the suspects during the investigation of the murder of the Opera's director, Roland Vane, in Snakes on the Stage (Case #50 of Grimsborough).