Process Essay: Major Crime Scene Forensic Investigation

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Major Crime Scene Forensic Investigation
Processing and analyzing crime scenes is a given responsibility to Crime Scene Investigators (CSI) where investigators must collect, preserve, examine, and present evidence -whether it's physical, trace, biological, or drug evidence. Investigators impound evidence that are to be analyzed to evaluate the leading suspect. A Crime scene investigator refers to a specialist whose principal job is to identify, collect, and retrieve physical evidence from the crime scene or to a detective or investigator who has the primary duty of collecting and preserving physical evidence. I will focus more on the forensic side of the investigation and dwell on the significance of evidence. Still the question remains; What …show more content…

The prevention of mishandling, destructing, or altering evidence is detrimental in order to lead on the main suspect. There are three types of crime scene such as Major, minor, and catastrophic. Minor crimes are usually less serious -such as Larceny- and catastrophic crime scenes are generally caused by disasters. However, I will be addressing on Major crime scenes which are more serious as it involves heinous crimes such as murder, homicide, rape, aggravated and/or sexual assault, manslaughter, and the list continues. A series of Five stages during a criminal investigation following the final Sixth stage known as the apprehension of the offender, occurs as to be known as criminal-profile-generating process. These 6 stages include: criminal profiling input, decision-process model, crime assessment, the criminal profile, investigation, and if possible, apprehension.There are 5 Phases in the process of an investigation which include the following: reaction and preparation of the crime, securing the scene, preparation of search and locating the evidence, the …show more content…

Investigators obtain critical factors that help them formulate the motives and offender's character, during a crime scene search. Through the use of criminal profiling, investigators can reconstruct the events that may have occurred during the act of crime and the offender’s and victim’s behaviour that may have partook during their encounter. A criminal profiling input, is forensic information that is significant because it determines the extent of wounds imposed on the victim's body that aids in determining the weapon, direction of injury, force, and modification of weapon to the victim’s assault. Investigators must interpret numerous elements in every crime scene which include location of crime scene, cause and time of death, method of killing, if there was motive or motiveless, position of body, excessive trauma, and location of wounds. Forensic investigation is illustrated through an example of a case where Technical research team examined samples from a victim’s hair, pubic hair, fingernail scrapings, and clothes to compare with fiber samples taken from textile materials in furnishings in the suspect’s residence and from his clothes. Fiber evidence was detected in the victim’s body sample. In the clothes of the victim, viscose fibers were found. Their color, quality, thickness, shape, and size were compared and found in

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