생물학적 증거물의 채취

초록

As physical evidence can prove that a crime has been committed or establish key elements of a crime, police investigators deal with evidence on a daily basis. When its collection is performed with a selectivity governed by the collector's thorough knowledge of the crime laboratory's techniques, capabilities, and limitations, physical evidence can only achieve its optimum balue in criminal investigations. Also, their ability to recognize, collect, and use evidence effectively in criminal investigations determines to a large degree their success as the crime investigators. If the investigator cannot recognize physical evidence or cannot preserve it for laboratory examination, no mount of sophisticated laboratory instrumentation or technical expertise can salvage the situation. The know-how for conducting a proper crime-scene search for physical evidence is not beyond the grasp of any police department and forensic practitioners. With proper training, the techniques of crime-scene investigation including collection and preservation of physical evidence are not difficult to master and certainly lie within the bounds of comprehension of the average police officer.

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