This paper examines the key components of crime scene documentation as applied to a robbery scenario involving a computer store. Drawing on investigative guidelines, the paper covers what information belongs in case notes, how evidence should be properly located and packaged, what photographs are required and how they should be logged, and when and how a crime scene sketch should be prepared. Each documentation method is analyzed for its role in building a legally sound and accurate record of the crime scene.
Evidence available to police is primarily documented in the case notes. According to Pearson, the information recorded there would include what was observed at the crime scene: whether suspects were seen, what crime was committed, whether there was a motivation for the crime, who called the police, and whether there were any victims. A second category of questions covers what was stolen, what evidence exists, what statements have been made, and what additional information is still needed.
The scenario under discussion sheds light on several of these questions. Three people were involved in a robbery at a computer store; the men wore masks, and a third man served as the getaway driver. A witness was able to observe and report the license plate number. Finally, fingerprints belonging to the defendants were found on the vehicle. All of this information would be recorded in the case notes and would form the foundation of the investigation.
One of the most important principles of evidence management is ensuring that proper documentation has taken place so that all evidence can be located effectively. Pearson states that an investigator should carefully document the location of each piece of evidence found at the crime scene. This documentation should include a description of the item, its location, the time it was discovered and by whom, the type of container in which it was placed, how the container was sealed and marked, and the disposition of the item after it was collected.
These steps are effective ways to ensure that physical evidence can be located, documented, and packaged properly for use in processing the crime scene. The best approach to locating evidence is to first consult the case notes, which should identify what evidence exists in the case. That documentation would then be confirmed in the final report, cross-referenced against both the case notes and the evidence itself. Precautions must be taken to ensure that all evidence is handled properly at the time of collection in order to preserve its integrity.
"What photos are needed and how to log them"
"When sketches are used and what they must include"
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