Attorney Star is Representing Filly Fontaine

Attorney Star is representing Filly Fontaine.  Filly is accused of embezzling over Fifty Thousand Dollars from the homeowners association for his neighborhood.  Filly is the President of the homeowners association.  The homeowners want to sue Filly for the return of the money.

When Attorney Star meets Filly, Filly discusses how he can get rid of the records that will show how the money was embezzled and that he will deny he ever took the funds. Under the Georgia Rules of Professional Conduct, what is Attorney Star’s ethical obligation? Where is this answer found in the Rules.