(1) With reference to his reply to question 152 on 20 July 2009, what were the costs of the investigation into the reasons for the cruelty of murders; (2) whether he has accepted the report as finalised and completed; if so, what are the relevant details; if not, (3) whether his department will launch any further investigation in this regard; if not, why not; if so, (a) when and (b) by whom?