Procedures can be found at:

http://www.nysba.org/Content/NavigationMenu/Public_Resources/Attorney_Grievance_Procedures/Attorney_Grievance_Procedures.htm

Did Darnay go over the top and violate the Code of Professional Responsibility to his client? Is there a conflict of interest because of his "Patsy did it" obsession? Beats me...perhaps someone smarter than me can figure it out.