Best Value in policing: Joint Best Value audit of policing in Scotland: The Committee will take evidence from— Chief Constable Jo Farrell KPM and Deputy Chief Constable Alan Speirs, Professionalism and Enabling Services, Police Scotland; Neil Rennick, Director-General Education and Justice and Don McGillivray, Director of Safer Communities, Scottish Government; Chris Brown, Chief Executive and Accountable Officer and Alasdair Hay, Vice Chair, Scottish Police Authority. 3.