What is an example of indirect evidence in fire investigation?

Indirect evidence refers to information that, while not directly proving a fact, supports a conclusion that can be drawn from the available information. In the context of fire investigation, this could involve various forms of indicators regarding the cause or nature of a fire.

Containers of accelerants found at the scene exemplify indirect evidence because they do not directly demonstrate that a fire was intentionally set or that an accelerant was used; rather, they suggest the possibility that foul play may have occurred. The presence of accelerants can lead investigators to infer that a fire may have been intentionally started, as accelerants are often used to increase the speed and intensity of a fire. However, additional analysis and evidence would be necessary to substantiate this claim definitively.

On the other hand, burn patterns on the floor provide direct evidence of the fire's behavior and spread, as they show the effects of the fire rather than suggesting a cause. A witness report of seeing flames also serves as direct evidence because it indicates an observation of the fire occurring. A photograph of the fire aftermath documents the condition of the scene but does not lead to inferences regarding causation or motives. Therefore, while all options present valid investigative aspects, the containers of accelerants stand out as indirect evidence due to their