Nelson Van Alden, In his position as a Senior Agent with the Bureau of Prohibition in the Department of Internal Revenue Nelson Van Alden tackles his job with the fervor of a man possessed. He is deeply religious and is married to Rose Van Alden. Van Alden is under the command of Supervisor Elliot and partnered with Agent Eric Sebso. In the midst of trying to bring down kingpin Nucky Thompson he succumbed to corruption and has become an outlaw on the run himself.