Chapter 10 - Copy - Defining a Crime Scene-Crime scenes can...

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Defining a Crime Scene -Crime scenes can be classified according to the location of the original activity. This classification of the crime scene labels the site of the original or first criminal activity as the primary crime scene and any subsequent crime scenes as secondary. -A second classification of crime scenes is based on size. A Macroscopic crime scene is composed of many crime scenes. The microscopic crime scenes classification is more focused on the specific types of evidence found at macroscopic crime scenes. Uses for and Information from Physical Evidence in Criminal Investigations Information on the Corpus Delecti - The determination of the essential facts of the investigation; the physical evidence, the patterns of the evidence and the lab examinations of the evidence Information on Modus Operandi - Criminals repeat their behaviour and this behaviour becomes their “signature” or preffered method of operation. Linkage of Persons, Scenes, Objects - Whenever two objects come into contac, a mutual exchange of matter will take place between them. Proving or disproving Witness Statements - Credibility is an important issue with witnesses, victims and suspects. The presence or absence of certain types of physical evidence will be useful in the determination of the accuracy of their statements. Identification of Suspects - Forensic Examination is a process of steps: Recognition, Identification, Individualiztion, Reconstruction. - Identification of the suspect is done in the first 3 steps that result in the determination of the source of the item of physical evidence. Idenification of Unknown Substances - drugs, poisons, bacteria Reconstuction of a Crime - Final step in the forensic examination process. The crime scene investigator is more interested in how the crime occured than identifying the evidence at the scene. Providing Investigative Leads - The most important use of physical evidence.
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Science and Crime Scene Investigation - Crime Scene Investigation is a dynamic that requires an active approach by the scene investigator who must be aware of the linkage principle of the evidence, use scene analysis and definition techniques, and be able to offer an opinion on the reconstruction of the scene Recognition Identification Individualization Reconstruction Scene survey Comparison Testing Evaluation Report and Documentation -> -> Interpretation -> Presentation Collection and Preservation General Crime Scene Procedures Scene Management Four distinct but interrelated components of crime scene management are: - Information Management - Manpower Management - Technology Management - Logistics Management Crime Scene Investigation Models What are the 5 Crime Scene Investigation Models. Describe them and list advantages and disadvantages of each. Model Type
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  • Winter '08
  • Damainakis
  • Forensic evidence, Crime scene, CSI: Crime Scene Investigation, Forensic photography, crime scene investigators, Crime reconstruction

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Chapter 10 - Copy - Defining a Crime Scene-Crime scenes can...

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