Paul Connor, Police Training Consultant, ,Glenn Hutton, Private assessment and examination consultant, ,David Johnston, Barrister and former Chief Superintendent in the Metropolitan Police Service, ,Gavin McKinnon, Director of Corporate Communications, Kent Police, Paul Connor Cert Ed LLB is a Police Training Consultant, teaching law to over 3,000 NIE candidates since 2002. He is the author of the Blackstone's Crime Manual and the Consultant Editor for the Blackstone's Police Manuals. He is the co-author of Blackstone's Police Investigators' Manual, Blackstone's Police Investigators' Workbook and is the author of the Blackstone's Sergeants' and Inspectors' Mock Examination Paper. 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. 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 previously worked as a legal researcher for the Home Office in Harrogate. Gavin McKinnon LLB LLM MSt MCIPR FCMI is the Head of Corporate Communications for Kent Police.

Formerly a Chief Superintendent, he served with the National Policing Improvement Agency, and the RUC/PSNI. He also worked as Deputy Director of Police Reform at the Home Office, and was Head of Crime & Justice for the think-tank Policy Exchange. David Pinfield is Police Training Consultant. Prior to this, he served as a Detective Sergeant with West Midlands Police. He is a qualified police trainer/assessor, with five years' experience of training the ICIDP, and an experienced multiple choice question writer. He is also the author of Blackstone's Investigators' Mock Examination Paper.