This completely updated, new edition of Forensic Science approaches its subject from multiple directions. One primary approach is from the points of view of forensic investigators. In addition to its core essays on subspecialties and allied fields, the set has essays on specific types of investigations, investigative techniques, specialised equipment, and types of evidence. Also included is coverage of the role of forensic science in the American legal system. The articles define the topic and summarise their relevance to forensic science. This new edition adds hundreds of new entries and a complete update of existing entries to offer a comprehensive overview of this popular field.