Former Assistant Chief Constable at Surrey Police, Kirkby held an internal investigation into the Surrey Police’s handling of the information accessed by the News of the World, which was obtained by hacking the voicemail of murdered schoolgirl Milly Dowler.
Former Assistant Chief Constable in Devon and Cornwall Police, Middleton worked on local investigations, Major Crime, and Serious and Organised Crime. He gave evidence on Operation Reproof, a police inquiry into corruption at Devon and Cornwall police.