This fully revised and updated edition of Blackstone's Police Investigators' Mock Examination Paper ensures that National Investigators' Exam (NIE) candidates are fully prepared for their multiple-choice examination. The book is designed in an l exam format, so candidates can practice taking the whole exam in two hours. Like the actual exam, the book is presented on A4 and is split into two sections, one containing the 80 question mock exam and answer sheet and the second containing the answers and detailed marking matrix with explanations and references. The Mock Examination Paper gives candidates the opportunity to test their knowledge of the content of the Blackstone's Police Investigators' Manual 2010, with space for them to write their answers. The Answer Booklet contains the answers and marking matrices, giving candidates a mark for the full examination and individual marks for their knowledge of the four subject areas: Evidence, Property Offenses, Assaults, Drugs & Firearms, and Sexual Offenses. The Answer Booklet includes an explanation about how to calculate the percentage score, as well as full explanations and references to the Blackstone's Police Investigators' Manual 2010. The Investigators' Mock Exam has been completely updated for 2010 with new questions on legislative changes such as the Criminal Justice and Immigration Act 2008, the Criminal Evidence (Witness Anonymity) Act 2008, the Counter-Terrorism Act 2008, and and the revised PACE Codes of Practice. Candidates will find this book a user-friendly and valuable tool which should ensure a clearer understanding of the format and requirements of the exam. This product is not endorsed by NPIA.