Blackstone's Police Investigators' Manual and Workbook 2026

• The only officially endorsed Manual for the National Investigators' Examination, packaged with a comprehensive Workbook designed around the syllabus
• Contains all the law you need as a trainee investigator, including the latest updates to the PACE Codes, the Criminal Procedure Rules, new and updated legislation, and significant case law decisions
• The 2026 Manual is endorsed by the College of Policing, and contains new legislation under the National Security Act 2023, Equality Act 2010 (Amendment) Regulations 2023, and significant case law decisions
• The Workbook, not endorsed by the College of Policing, guides you through the material in the Manual with helpful exercises, case studies, and over 100 Type A multiple-choice questions - the only type you will see in your exam
• Written by experienced law specialists and professionally reviewed

Blackstone's Police Investigators' Manual and Workbook 2026 are comprehensive study and reference 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 2026 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 2026 provides all the legal information which is relevant to your role as a trainee investigator and is applicable to all NIE exams taken in 2026. 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.

Blackstone's Police Investigators' Workbook 2026 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. While the Workbook is not endorsed by the College of Policing, it contains useful cross references back to the Manual in the answer sections.

Now in its twenty-fourth edition, both the Manual and Workbook contain the latest legislation and case law relevant to the 2026 NIE, including the latest version of the PACE Codes and Public Order Act 2023.

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