Crime scene documentation is central to criminal investigations since it helps in collection of physical evidence that is essential in successful prosecutions (Horswell, 2010). The main idea of crime scene documentation is to recognize, collect, interpret and reconstruct the…
The photography technique requires the investigator to use both close-up coverage and medium coverage that will provide aerial and vertical view of the suspect positions and items left at the crime scene. The sketches will identify the surrounding area of the crime scene and possible positions of the suspects (Pepper, 2010).
According to Ogle (2011), crime scene sketching aims at creating a permanent record of the distance relationship of the physical evidence and crime scene. Sketching will require the investigator to have folding ruler, graph paper, pencil, and flashlight since it is essential to take proportional measurements such as exit areas and bullet trajectory angles (Pepper, 2010). The sketch is critical in clarifying the information in photographs and videos since it enables the viewer to gauge the dimensions and distances. A sketch is essential in crime scene documentation since it assists during interviewing and interrogations, it relates the sequence of events at the scene, and establishes a precise relationship of objects found at the crime scene (Ogle, 2011).
The sketches may include details such as size if the room, height of a door frame and distance from the door to the window. The projection view of the sketch will show the horizontal floor plan while the schematic perspective is essential in showing the sequence of events such bullet firing position (Horswell, 2010). Another aspect of sketching is the triangulation that will involve taking the distance and measurements from a central position such as bedroom. Crime investigators rely on the rectangular coordinate method of sketching measure the distance from two perpendicular items such as walls and doors. The polar coordinate method is mainly applicable in outdoor crime scenes where there is only one reference point such as road accidents (Ogle, 2011).
The final ...
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He/she mostly assesses and processes the crime scene, packages and transfers evidence, views and takes pictures of autopsies, participates in police agencies’ briefings and conferences (Criminaljusticeusa.com, 2011). The major objectives of a crime scene investigator are to reconstruct the incidence, to determine the sequence of events, to determine the operation method, to reveal the intention, to uncover what was stolen and from where, to establish the criminal’s activities prior, during and after the incidence, and to identify, gather, record and preserve all pertinent physical evidence (a crime scene’s conditions) that begin the process of justice (Fish, Miller & Braswell, 2010).
The first response should be quick and methodological. Any officer who arrives first at the scene should: Assess the scene and treat it as a crime scene. The officer should log dispatch information. This should contain the location of the scene, type of call, any parties involved, time and date.
With the increasing rate of crime in the real world, the exposure of the different techniques required to be adapted while investigating crime has taken significant prominence amid the crime scene investigators. It is observed that at times due to a lack of lucidity in the utilized techniques there has been an emergence of failure of the pre-process in many scenarios.
This last is to preclude unfortunate miscarriage of justice. It is found that the warrant has to be irrefutable so that the subsequent claim made on the basis of the data can stand the test of an adversarial judicial system where defendant parties are eager to disprove the prosecuting side.
In the collection and preservation of evidence from a crime scene, the central aspect is protecting the scene. The state of the physical evidence at its collection time is paramount because the successful prosecution of a case mainly depend it.
This also requires taking note of any vehicles or persons in the surrounding area that could be related to the crime.
This scene should be treated as a crime scene until determined otherwise through further
Case after case illustrates the fact that contamination of a crime scene can lead to incorrect and otherwise faulty inference on the part of the police which can in turn lead to the prosecution exhibiting a less than robust
Our investigation was intended to determine whether the bloodstain pattern at the crime scene were consistent with the statement that were made by the defendant. Before we begun to examine the crime scene, we
In order to collect sufficient evidence regarding the crime scene, it is the role of the crime scene to ensure that he sets several goals. These should target reconstructing the crime scene, identification of the individual responsible, preserve gathered
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