Subject to prior approval of the court, a second attorney should be appointed or employed whenever necessary to protect the rights of the client, including, but not limited to the following:
(A) When dealing with matters involving highly technical areas requiring special expertise;
(B) When needed to depose a witness not located in the immediate area;
(C) When necessary to resolve conflicts of interest;
(D) When the accused has been charged with a death penalty specification;
(E) When the assistance of additional counsel is necessary to provide quality defense.