In crime scene investigation, what is defined as a legend?

In crime scene investigation, a legend is specifically defined as a diagram that provides a key or explanation for the objects and symbols used on a map or sketch of the crime scene. This diagram is essential for establishing a clear understanding of the spatial relationships and locations of evidence, assisting investigators in visualizing and documenting the scene accurately.

By including a legend, investigators ensure that anyone reviewing the diagram can comprehend the information conveyed, such as the location of specific items, entry and exit points, and other significant details that may aid in analysis. This clarity is crucial for legal proceedings and can influence the overall investigation.

The other options, while related to crime scene investigation, do not accurately capture the definition of a "legend" in this context. For example, a written report is more of a narrative account of the incident than a diagram. The history of the crime refers to background information, which is contextual but not directly related to a "legend." Lastly, a list of witnesses relates to individuals who may provide testimony, which is important but not pertinent to the specific term "legend."