B.J. Harrison was Michael Corleone's lawyer. He was mistaken as Consigliere of the Corleone Family by alot of people because he advised Michael Corleone on alot of topics, i.e., Michael Corleone's purchase of International Immobliare. He and Michael Corleone's relationship was completely professional. He did not advise Michael Corleone or any other member of the Corleone Family on any organized criminal activities.