WA 149), whether police investigations into the eight cases identified in 1988 by Hetherington Chalmers must continue until additional evidence is available on which the consent of the Attorney will be sought to the institution of proceedings under the War Crimes Act 1991; or whether there is discretion to conclude such investigations on the available evidence and to prefer no charges (as was the case in Scotland), and if so on whose authority such discretion may be exercised.