Crjs350 IP3

Apr 10th, 2015
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You are a senior member of an arson investigations unit. You are being supported by newly assigned criminal investigators from a street crime unit, who don't have must experience in the investigation of arson crimes. These investigators have had training in the physical evidence collection process, but they look to you for legal guidance in terms of their presence in an arson scene. You must prepare guidelines for the new investigators to ensure that they are not violating the law and legally tainting evidence by their actions at the crime scene of an arson investigation. Assignment Guidelines • Address the following in 3–5 pages: • Describe the crime scene parameters of an arson fire, including one where an explosive reaction may have occurred. • Identify the role of the fire department personnel and their authority at an arson fire. • What is the authority of the state fire marshal’s office or its equivalent? Explain. • What specific responsibilities does this agency have? Explain. • E

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CRJS350-IP2NameClassDateProfessorCRJS350-IP2 When a fire occurs it can be difficult for crime scene investigators to establish crime scene parameters. Every fire is different and there will be different factors to consider when establishing crime scene parameters. Once the crime scene parameters are established their will need to be continuous custody by fire personnel to ensure the fire scene is not breached. The fire scene parameters include the origin of the fire as well as the actual byproducts of the combustion process. This includes the areas damaged by the flames and smoke as well as through the use of suppression operations such as water and foam. If there is an explosion the crime scene parameters will extend as far as the explosive material. The arson crime scene must be protected in order to ensure that evidence, not destroyed by the fire, can be preserved. From a prosecutorial point of view, the preservation of the fire scene is critical and is likely the most important function between suppression completion and the initiation of the investigation (Ross, 2013). Without evidence pointing to the guilt of a criminal suspect it will be difficult to prove the offenders guilt but if the evidence is not properly preserved the evidence will not even be admissible in a court of law. Fire scene tape will be placed around the area whenever possible but because the fire must be contained this can be difficult. Fire department perso

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