He is a politician in Lost Heaven. Very little is known about him. In 1938, he is running in an election. His position is to clean up organized crime in the city. However, Don Salieri informs Tommy Angelo that he runs half the brothels in the city and is trying to make a move into Salieri territory. Seeing the threat as serious, Salieri orders Tommy to assassinate him in public with a sniper rifle. Mr. Sewer is shot while giving his speech. What happens to his operations remains unknown.