Designed to test trainee investigators studying for the National Investigators' Examination (NIE), this book presents over 1,000 multiple-choice questions, following the same style as the exam questions. All answers provide explanations and references to the Blackstone's Police Investigators' Manual 2025 for further study and clarification.

The officially endorsed Manual for the National Investigators' Exam (NIE). Based on the bestselling Police Manuals, the Investigators' Manual provides you with the legal knowledge and syllabus requirements you need to succeed, while the accompanying Workbook offers exercises and Type A multiple-choice questions to test your understanding.

The best-selling revision tool for all police officers sitting the NPPF Step Two Legal Examination. Designed to be used alongside the College of Policing-endorsed Blackstone's Police Manuals 2025, the Q&As provide the most comprehensive and authoritative method of self-testing in advance of the exam.