The Blackstone's Police Investigators' Workbook 2007 is the official study text for the National Investigators' Exam (NIE) which is taken as part of Phase 1 of the Initial Crime Investigators' Development Program. Based on the content of the Investigators' Manual 2007, the book has been fully updated for the 2006/7 syllabus. Contains many practical exercises, case studies and questions to help students prepare for the NIE. Covers all recent legal developments including the Serious Organised Crime and Police Act 2005 (SOCPA) and the updates to the PACE Codes of Practice.