For good cause shown, or in any case involving a crime of widespread notoriety, the court may, upon its own motion or upon application of either the public defender or of the indigent accused, appoint an attorney other than the public defender to represent the accused at any stage of the proceedings or on appeal: PROVIDED, That the public defender may represent an accused, not an indigent, in any case of public notoriety where the court may find that adequate retained counsel is not available. The court shall award, and the county in which the offense is alleged to have been committed shall pay, such attorney reasonable compensation and reimbursement for any expenses reasonably and necessarily incurred in the presentation of the accused's defense or appeal, in accordance with RCW 4.88.330.