Blackstone's Police Investigators Manual and Workbook 2023

Blackstone's Police Investigators' Manual and Workbook 2023 are the only official study guides for the National Investigators' Exam (NIE), which is taken as part of Phase 1 of the Initial Crime Investigators' Development Programme. It is the most comprehensive and effective package for studying for the NIE, providing the complete 2023 syllabus, and practical exercises and multiple-choice questions to test your knowledge.

Based on the bestselling Blackstone's Police Manuals, Blackstone's Police Investigators' Manual 2023 provides all the legal information which is relevant to your role as a trainee investigator and is applicable to all NIE exams taken in 2023. Covering all key legislation in the areas of General Principles, Police Powers and Procedures; Serious Crime and Other Offences; Property Offences; and Sexual Offences, it also features the relevant PACE Codes of Practice, with chapters incorporating the relevant Code with Keynotes offering practical advice and examples, as well as chapters covering the Nationality and Borders Act 2022 for investigators within immigration, customs, and the National Crime Agency.

Blackstone's Police Investigators' Workbook 2023 has 24 chapters, offering you an opportunity to gauge your revision progress through multiple-choice questions at each chapter opening, followed by a refresher section on complex parts of the syllabus with exercises and flowcharts, and recall questions at the conclusion to reinforce learning. Useful cross references point back to the Manual in the answer sections.

Now in its twenty first edition, both the Manual and Workbook contain the latest legislation and case law relevant to the 2023 NIE, including the Police, Crime, Sentencing and Courts Act 2022, the Domestic Abuse Act 2021 and the Nationality and Borders Act 2022, the Attorney General's updated Guidelines on Disclosure and significant case law decisions.

Paul Connor, ,Andrew Cox, ,Glenn Hutton, ,Dave Johnston, ,Elliot Gold, ,Sarah Parry-Davies, Home Office

Paul Connor Cert Ed (FE), PG Cert Ed (ODE), LLB is a Police Training Consultant and has been heavily involved in training police officers for police promotion examinations for a number of years. Paul is also the consultant editor for the Blackstone's Police Manuals 2023 and author of Blackstone's Sergeants' and Inspectors' Mock Examination Paper 2023 and Blackstone's Police Investigators' Q&A 2023.

David Johnston LLB, LLM is a barrister and Chief Superintendent of Specialist Operations 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, Chartered FCIPD was formerly a Superintendent in North Yorkshire Police. He has 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 Lincolnshire Police, and previously was Detective Superintendent lead for Vision Zero, Road Death and Transport Crime Investigation with the Metropolitan Police.

Elliot Gold is a barrister at Serjeants' Inn Chambers, practising in police law, public law, mental capacity, and discrimination.

Sarah Parry-Davies is a Training and Development Manager within the Home Office, training Criminal and Financial Investigation (CFI) teams nationwide to conduct investigations into Serious and Complex Crime.

Blackstone's Police Investigators' Manual 2023
Blackstone's Police Investigators' Workbook 2023