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This expanded and updated third edition continues to be an essential reference volume in regards to the principles and techniques of traffic crash investigation. One of the most important phases of any investigation into a traffic crash is that which is conducted at the scene. The traffic crash investigator must be aware of his or her responsibilities and know how to properly fulfill them from the time of being advised of a crash to the time the report is completed based on the on-scene investigation. This manual sets out in detail the requisites for a properly conducted crash investigation by delineating the types of evidence to look for and how to recognize, interpret, gather, and record evidence such as skid marks, yaw marks, roadway and vehicle marks and damages, and environmental, human, and mechanical factors. Only by understanding the principles presented in the text will the objectives of a traffic crash investigation be met: what happened, where the crash occurred, why the crash occurred, and who was involved. The manual covers in both written and illustrative form those situations that confront the investigator conducting a technical crash investigation. An important introduction to scientific speed analysis based on thorough at-scene investigation is provided. Mathematical equations and examples are completed in both the United States or Imperial and metric (S.I.) measurement systems. The book is generously illustrated and substantial appendices provide helpful mathematical tables. This invaluable resource will meet the needs of law enforcement officers, insurance adjusters and investigators, private investigators, lawyers, judges, legal investigators, and instructors and students involved in cadet or advanced traffic crash investigation programs. This new edition will be appreciated by all those charged with the responsibility for investigating traffic crashes, interpreting data, and presenting evidence based on sound analysis.
The purpose of this book is to bring to the student an understanding of the basic physics involved not only in traffic crash investigation and reconstruction but also in crimes or other incidents where the movement of objects or persons is involved. The range of topics included are those considered to be fundamental and which best serve the purposes of illustrating the methods and procedures vital as an introduction to physics. Essentials of the subject as related to vehicle motion are stressed. The mathematics used is kept simple and in straightforward, easy-to-understand language. Comments and examples and a very comprehensive list of terms and definitions, supported by many illustrations and diagrams, are provided to give the reader a unified view of basic physics. All materials are prepared in both the English (U.S.) and metric (S.I.) systems. The text is intended to serve a need for investigators who possess a good knowledge and understanding of elementary algebra and trigonometry, and who have successfully completed at least an at-scene traffic crash investigation course and wish to further their knowledge towards competency in advanced traffic crash investigation and reconstruction.
This book is a manual for those involved in traffic accident investigation. Before 1925, systematic traffic accident investigation was practically unknown, but with the advent of the automobile and the resultant prominence of traffic deaths in everyday life, concerned persons and organizations took measures to minimize traffic danger. Accident investigation has become progressively more sophisticated. By reconstructing accidents, determining fault, and obtaining convictions, drivers are urged to be more responsible. This book covers 13 major topics, with specific instructions for various tasks, explaining how each task can better serve the whole of the investigation. These tasks include, for example, taking photos, examining vehicle damage, making sense of involved persons' differing accounts of what happened, questioning witnesses, gauging the mental and emotional state of involved persons and witnesses, measuring the scene, interpreting skidmarks and other bits of evidence, and drawing situation maps. It also elaborates on laws, police and administrative functions, standards, and more. Numerous exhibits, including diagrams, and photographs with captions. Tables, chapter references, index and glossary.
Accident investigation/reconstruction is more than just a job or even a profession; it is more art than science and requires a dedication greater than a commitment of time. It takes constant reading, study, and analysis of accident information and case reconstructions to keep improving your performance, both in the field and in the courtroom.
The first of its kind, TRAFFIC ENFORCEMENT AND CRASH INVESTIGATION, 1/e presents comprehensive traffic related material that new police officers need to know. From the history of traffic laws to future trends, it helps officers understand the basic elements of traffic enforcement and crash investigation. Beyond just a traffic law manual, it includes social and ethical issues and hot topics such as dealing with official misconduct, quotas, tolerances and officer discretion. Its strong coverage of DUIs and up-to-date guidelines help prepare officers for one of their primary responsibilities: traffic enforcement, DUI enforcement and crash related investigations.
Rev. ed. of: Technical traffic accident investigators' handbook.
Forensic Medical Investigation of Motor Vehicle Incidents provides an in-depth study of the circumstances underlying motor vehicle incidents and allows for a reasoned analysis of a crash victim's injuries. It also gives law enforcement the tools to communicate relevant information to the forensic pathologists and trains pathologists to infer crucia