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The use of blood pattern analysis to reconstruct a crime sceneWiid, Antoinette Bedelia 02 1900 (has links)
The success or failure of any criminal investigation often depends on the recognition of physical evidence left at a crime scene and the proper analysis of that evidence. Crime scenes that involve bloodshed often contain a wealth of information in the form of blood patterns, the location, and its cause. Any criminal investigation has specific tasks, from the time when the crime is reported to the reconstruction of crime scenes. A lot of work needs to be done. Once the investigation starts at the crime scene, BPA needs to be done at the crime scene and the investigating officer must identify this evidential tool. The investigating officer should not necessarily have specialised training in blood pattern analysis, but rather know when to use these experts at their bloody crime scenes. With the interviews and docket analysis done, the researcher found that this was a problem as the investigating officers, either had no knowledge on the subject of BPA or very little knowledge on this research.
The purpose of this study was to determine the use of BPA to CSR, and for the investigating officer to realise that it is not just a bloody crime scene, but also contains a wealth of evidence. The researcher had two research questions. Once the investigating officer follows the objectives of criminal investigation, they should be able to have a strong case against the perpetrators. How could BPA be used in the reconstructing of a crime scene? The researcher wanted to bring it to the investigating officers’ attention that it is not just a bloody crime scene, but rather that it contains a wealth of evidence, which can give them a perspective of the movement of both the victim and perpetrator during the commencement of the crime. Regardless of the lack of knowledge of BPA, it is proposed that investigating officers are to be informed, either through station lectures or by yearly refresher workshops and courses of the evidential tool of BPA. When the bloody crime scene is reconstructed with the use of BPA, an insight of what transpired at the crime scene will help them to finalise their cases.
For recommendations, it is proposed that investigating officers are to be trained in more in depth courses in criminal investigation as well as crime scene reconstruction and evidence collection using FSL. / Criminology and Security Science / M.Tech. (Forensic Investigation)
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An evaluation of the role of forensic science in crime scene reconstructionSingh, Sherwin 06 1900 (has links)
In this research, the role of forensic science with the use of forensic photography in the crime scene reconstruction process was evaluated. The researcher identified how SAPS detectives and Crime Scene Technicians (CST‟S) are currently conducting crime scene reconstructions by adopting forensic photography; furthermore, other methods in which forensic photography could be used to conduct crime scene reconstructions were explored. The researcher made use of an empirical design, as the information available on the research topic was limited. The empirical design, together with a qualitative research approach, allowed for real-life observations. The simple random sampling method was used to select 20:10 partcipants for this research as follows: Ten (10) detectives that investigate murder cases, and another ten (10) CST‟S that conducted crime scene reconstructions in the Durban Policing Area (DPA). Data was obtained using qualitative data collection methods that included a literature study and interviews. The findings of this research provide that the value of forensic science, as well as the use of forensic photography in the crime scene reconstruction process, was established. Evidently, detectives and CST‟S are not doing everything possible to reconstruct murder crime scenes. For recommendation, this research suggests that SAPS detectives and crime scene technicians (CST'S) adopt the fundamentals of forensic science when reconstructing murder crime scenes. / Criminology and Security Science / M. Tech. (Forensic Investigation)
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