What are the basic components of a crime scene sketch?

A comprehensive crime scene sketch serves several essential functions, including documenting the scene's layout and providing context regarding evidence placement. The inclusion of a heading, diagram area, legend, and title block forms the foundational structure of a well-crafted sketch.

The heading provides vital information such as case number, location, date, and time, all of which help establish the context of the scene. The diagram area is where the actual visual representation of the scene takes place, necessitating accuracy to ensure that all elements are depicted correctly in relation to one another. The legend is crucial for clarifying symbols and explanations used within the sketch, aiding in the understanding of the depicted elements. Lastly, the title block typically contains administrative details about the sketch, including the sketch artist's name, which boosts the credibility of the evidence presented.

In contrast, other options may include elements that, while relevant to crime scene processing, do not accurately represent the core components necessary for an effective crime scene sketch. For instance, the mention of exit photos or scene processing may be relevant to overall crime scene investigation but do not pertain strictly to the sketch itself. Therefore, focusing on headings, diagram areas, legends, and title blocks distinctly highlights the structure needed for a detailed and informative representation of a crime