The fourth edition of this popular text provides full coverage of the law surrounding the Police and Criminal Evidence Act 1984 as amended, and brings the work fully up to date with the latest 2003 Codes of Practice. The text seeks to clarify PACE in practice via in-depth discussion of case law, including over 250 new judicial decisions. It covers the Police Reform Act 2002, new civilian powers and human rights considerations and it includes a Question-and-Answer section in each chapter, which provides quick answers to common and more obscure questions. Relevant sections of legislative materials are included in full, while the detailed index includes references in different printing styles for the author's text, the Act and the Codes and also all terms defined anywhere in the Act.