At that investigation full opportunity shall be given to the accused to cross-examine witnesses against him or her if they are available and to present anything the person may desire in his or her own behalf, either in defense or mitigation, and the investigating officer shall examine available witnesses requested by the accused. If the charges are forwarded after the investigation, they shall be accompanied by a statement of the substance of the testimony taken on both sides and a copy thereof shall be given to the accused.
RCW 38.38.316