What should the final crime scene sketch show?

The final crime scene sketch should indeed include a scale and the precise location of all relevant objects within the scene. This level of detail is crucial for accurately representing the crime scene, as it allows investigators to understand the spatial relationships between evidence, witness locations, and potential escape routes. A scale provides context and ensures that the sketch can be accurately interpreted by others, including in court, where the representation of spatial details can be critical in establishing the narrative of the crime.

Including all relevant objects in their precise locations allows for a comprehensive understanding of the scene, which is essential for investigations and prosecutions. This thoroughness ensures that all pertinent evidence is documented, which can be vital for the reconstruction of events and in establishing timelines during the investigation process.