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Preliminary Investigation Research Paper

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A preliminary investigation “refers to the early stages of crime scene processing, usually conducted by the first officer on the crime scene” (Lyman, p. 24) The actions of the first officer to respond to the scene can greatly influence the success or failure of an investigation. When an officer receives information of a crime scene he or she must follow preliminary investigation objectives.
The officer must determine what happened. The officer must locate witnesses and other sources of evidence in order to aid in the understanding of what occurred. The officer must locate and preserve any physical evidence, and then determine if further investigative steps should be followed. A first responder should obtain and evaluate the fidelity of a witness

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