What is physical evidence? Provide at least three examples in your answer. Physical evidence is anything that can establish a crime has happened and anything that links the crime and the criminal. Three examples include weapons, fibers, and hair. Describe three ways that a crime scene can be recorded. What is a benefit of each? A crime scene can be recorded in several ways including photography, drawings, and notes. Photography can help the investigator capture the image of a crime scene before it is altered in any way, showing the exact position of objects and events as they initially appeared. Drawings show the location of evidence and can contain accurate distances between certain objects. Finished drawings are drawn to scale to show the layout of the crime scene with exact dimensions. Notes contain detailed information about certain objects or people at the crime scene. They are beneficial as they can be used help investigators refresh their memory during a trial. What is a chain of custody? Why is it important?
A chain of custody is a list of all persons who had possession of the evidence during the crime investigation. A chain of custody is important because it shows who has had access to the evidence and indicates that it has been in the possession of law enforcement individuals from the time that it is found until the time that it is potentially used in a trial. What three types of photographs are taken at crime scenes? Describe each type? The three types of photographs taken at a crime scene include overview photographs, intermediate photographs, and close up photographs. Overview photographs show the crime scene in wide angles to show any entries and exits to the crime scene. Intermediate photographs are closer to the evidence and they help to show the evidence in relation to other objects in the room. Close up photographs tend to focus on an injury, a weapon, or a specific piece of evidence and they are taken to help record...
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