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A crime scene criminal justice essay is a specific place in which a certain harmful and dangerous activity occurred. Crime scene investigators usually need to have adequate knowledge in handling crime scenes to facilitate the safety of people living within and visiting such an area. Evaluation of a crime scene begins with total seclusion of the area to allow for a smooth search and hence possible identification of crime culprits. There are standard procedures for handling any given crime scene. Evidence collected from a crime scene is important and requires adequate preservation and storage. Likewise, the methods for recording a crime scene usually include photography, taking notes, and film photography.
Procedures Associated with Crime Scene Evaluation
The process of evaluating a crime scene entails all activities that aim at identifying the actual perpetrators of crimes (Frade, 2017). The evaluation of a crime scene attracts various strategies and procedures across law enforcement agencies. Investigators usually have to draft the most effective procedures to undertake the evaluation of any given scene of a crime. The first step in this procedure is securing the place of the crime (Frade, 2017). In particular, this entails provision of barricades to prevent unauthorized individuals from accessing the area. The media and other passers-by usually flow to a scene of the crime. The next important step is to draw boundaries around the scene of the crime as well as around all substantive evidence of a crime at the particular place. The third procedure is to identify the possible route of the suspect and create a walk-through from the same. This is another important stage because it provides a guideline of the possible activities carried out by the suspects at the actual place of a crime. The last procedure will be to record the findings using flowcharts, sketches, and photographs.
Preservation and Collection of Physical Evidence Procedure
Physical evidence in a crime scene include fingerprints, weapons used, blood spatter, hairs, and any object touched by the suspect at the scene of a crime (Frade, 2017). This kind of evidence is particularly important in connecting the scene of a crime to potential perpetrators. Evidence is one of the most crucial components of any criminal offense. Investigators need to provide adequate storage and preservation of such evidence to facilitate effective crime investigation. Preservation of evidence involves all strategies in place to maintain pieces of evidence in good shape and condition. Preservation of evidence involves strategies such as storing objects in locked devices, protecting sketches and keeping photographs in secured safes.
Collection of evidence begins from the area of an actual crime and involves investigation of every object surrounding a body. Investigators should provide special attention to the body and its surroundings. In particular, this involves locating any markings of tools at the point of entry into a crime scene. This is particularly important in identifying the kind of tools used in perpetrating a crime (Frade, 2017). Investigating officers also concentrate on the fingerprints by analyzing objects touched by the culprits. By so doing, a connection develops between scenes of crime and possible crime perpetrators.
An investigator should record the exact location of evidence or any other object of penitentiary value with a clear marking. The recording should be in terms of notes, sketches, and photographs (Frade, 2017). These are the common means of recording evidence of crime across the globe. Investigators need to have effective markings and evidence of the exact location of any object that proves to be significant in providing the necessary evidence. Photographs should be clear and should always have a backup of sketches whenever necessary. Likewise, the investigators should mark the location of an penitentiary object with an evidence marker.
Procedures for Securing and Searching a Crime Scene
A crime scene needs to be a place of limited access to the public to prevent any possible interference with the collection of evidence. There are usually certain procedures necessary in facilitating a smooth collection of data in a scene of the crime. The following are some of the crucial steps involved in undertaking an effective search and securing a scene of the crime.
Securing the Crime Scene
Securing the crime scene is the first step that is necessary for the process of investigating a crime. This particular process involves barricading a scene to ensure that people will not be able to access and cause confusion at the venue of a crime. The activities usually involved in clearing a crime scene include preserving the area properly, providing priority to the injured in terms of availing medical interventions, and excluding all unauthorized people at the crime scene (Frade, 2017). Many people usually flow to the scene of a crime, and this might cause interference to any form of investigations and evaluation.
Surveying the Crime Scene
Surveying the crime scene is the second procedure conducted at the place of crime whenever a crime arises in any particular place. In particular, this entails surveying the area and obtaining an overview of the scene as well as developing a functional strategy to undertake the search.
This particular stage involves identification of a command center in which all investigators will subdivide their tasks accordingly. Assigning tasks is particularly important in that it eliminates any form of confusion at the scene of a crime (Frade, 2017). This is an important step in carrying out a crime scene investigation due to its ability to provide clarity regarding the duty of every officer at the crime scene.
Searching the Crime Scene
This stage leads to the actual activity of identifying the culprits as well as tangible evidence of a crime. Searching will lead to the discovery of tools and other materials used in carrying out a particular crime. The principal aim of this particular step is to locate evidence that will, in turn, assist in locating the actual culprits.
Conducting a Final Survey of the Crime Scene
This is the last procedure in securing and searching a crime scene. It involves visual overview, an inventory of all the evidence collected, and neutralization of all safety threats at the scene of a crime (Frade, 2017). Safety threats include any object or activity that could initiate damage or injury to persons within the scene of the crime. This particular step is very crucial in promoting safety to personnel involved in an investigation of a crime.
Methods of Recording the Crime Scene
A crime scene needs to have clear and descriptive recordings to facilitate the investigation of a crime. Several methods are available for recording a crime scene in a manner that will capture all the necessary details at the site. The following are some of the methods used in recording a crime scene.
Note taking is an effective method of recording a crime scene and should begin right from the call to report a crime (Frade, 2017). An investigator should record in the form of notes the name of the person that made a call as well as the exact time of the call. Upon reaching the scene of a crime, an investigator should note down the names of the people present at the scene and the actual time of arrival to the crime scene.
This method provides visual evidence in criminal investigations. Investigators should learn good principles of crime photography to maximize on capturing details at any scene of the crime (Frade, 2017). Photographs taken at the scene of a crime ought to be of high quality.
Film and Digital Photography
This method uses light technology to produce images that enable investigators to understand certain aspects of a crime scene (Frade, 2017). The main difference between film and digital photography is the method used to convert light into images.
In conclusion, the above discussion indicates that a crime scene is an area that requires exclusion to facilitate a fruitful search. Securing a crime is the first and most important step in undertaking any effective crime scene evaluation. All crime scene investigators should have adequate knowledge of standard procedures necessary in searching a crime scene to identify crime suspects. Any evidence collected at a crime scene requires ultimate preservation and storage for future use. Crime scene investigators should always take notes right from the time they receive a report of a crime.
Frade, P. D. (2017). Forensic Science from the Crime Scene to the Crime Lab by Richard Saferstein, ISBN 10: 0‐13‐359128‐X, Pearson Publishing, 2016. Journal of Emerging Forensic Sciences Research, 2(1), 20-21.