| Summary: | In the first section of the book the value of a crime laboratory is explained, primarily from point of view of the investigator. An effort is made to demonstrate what the investigator must do in the collection and preservation of evidence, including what legal and scientific precautions he must take. The appendices include case laboratory exercises, case solutions, suggested form for a laboratory report, and FBI suggestions for handling of physical evidence. List of illustrations includes some drawings and about 200 photographs.
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