Nottinghamshire police spend Â£12,807 on Common Purpose training. But what value does the general public get? See Archives section CP_Mind Techniques for police neuro linguistic and behavioural training to "achieve a paradigm change in police policy". Most people think that the performance of the police and their relations with the general public is declining. Why should police performance and attitude be declining? Is politically correct diversity and political neuro linguistic training scrambling their minds and personalities?