This book provides an analysis of the powers and duties of police in the collection of identification evidence, and is a comprehensive guide to the various sources of identification evidence in the trial process, from disclosure to admissibility and jury directions. Finally, it offers a thorough insight into the methodology and admissibility of scientific and other expert means of personal identification. Identification: Investigation, Trial and Scientific Evidence is the only work dealing exclusively with identification evidence. This new edition has been extensively revised and rewritten to take on board many new developments in law and practice, including: * Expanded coverage of the psychology of visual identification * Up-to-date text of Code D and new cases on its application and procedures * Detailed examination of the bad character and hearsay evidence provisions of CJA 2003 and subsequent case-law * Developments in Police identification using CCTV * Legislative reform of police powers to take fingerprints and samples * Scientific developments in the use of DNA and facial mapping Essential reading for criminal practitioners, members of the judiciary, police and the Crown Prosecution Service.