Paul Connor Cert Ed (FE), PG Cert (ODE), LLB is a Police Training Consultant, teaching law to over 3,000 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.Dave Johnston LLB, LLM is a barrister and 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.Andy Cox is a Detective Chief Superintendent with the Metropolitan Police.

He was previously Detective Superintendent lead for Vision Zero, Road Death, and Transport Crime Investigation with the Metropolitan Police. He is Chair of the national strategic board for serious collision investigation, and holds a Masters degree in Criminology and Leadership from Cambridge University.