Following an introductory description of the purpose of a crime laboratory, the handbook discusses basic concepts concerning physical evidence, protection of the crime scene, techniques for processing the crime scene, and procedures for recording the crime scene, including sketches and photographs. Subsequent chapters deal with the collection and preservation of specific types of evidence, including fingerprints, body fluids, trace evidence, firearms, tool marks and broken metals, illegal drugs and other drugs subject to abuse, chemical materials, residual prints, paint and glass, and questioned documents. The handbook also discusses the identification of bodies. 3 tables, 36 figures, and 2 appendixes