Written by a renowned authority on forensic science, this book introduces the non-scientific reader to the field of forensic science through an exploration of its applications to criminal investigations, with clear explanations of the techniques, abilities, and limitations of the modern crime laboratory. The most current technologies, techniques, practices, and procedures highlight this book. Actual cases, including a new case study on the role of DNA evidence in the investigation of the World Trade Center crime scene, enable readers to see the integral role of forensic science in criminal investigations. Topics covered include: the crime scene, physical evidence, physical properties, organic analysis, inorganic analysis, the microscope, hairs, fibers, and paint, drugs, forensic toxicology, forensic aspects of arson and explosion investigations, forensic serology, DNA, fingerprints, firearms, toolmarks and other impressions, document and voice examination, and forensic science on the Internet. An excellent reference resource for members of the forensic science field, as well as others involved in criminal justice.