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This textbook begins by explaining the role of forensic scientists, how they attain professional status, and how they interact with the legal profession. It goes on to describe how forensic examinations are carried out in the UK, the principles of crime scene investigations, the courtroom procedures and the role of the expert witness. Chapters cover: the crime scene; trace and contact evidence; marks and impressions; bloodstain pattern analysis; the forensic examination of documents; computer based media; fire investigation; explosions; firearms; drugs of abuse; forensic toxicology; alcohol analysis; the analysis of body fluids; and the presentation of expert forensic medicine. This latest edition includes the latest developments in DNA testing. |