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Books by David Johnston

David Johnston LLB, LLM is a barrister and former Chief Superintendent in the Metropolitan Police Service. Formerly a member of the NPT Examinations and Assessment team, he is a former OSPRE Assessor and previously worked as a legal researcher for the Home Office in Harrogate. Glenn Hutton, BA, MPhil, FCIPD is a director of Psychometric Technology Limited which designs and publishes psychological tests and provides selection and assessment services. Formerly a Superintendent in North Yorkshire Police, he also worked as Head of NPT Examinations and Assessment, Head of Training in North Yorkshire and as both Course Director and Director of Studies at the Police Staff College, Bramshill.