Why is analyzing fuel sources important in fire investigations?

Analyzing fuel sources is crucial in fire investigations because it allows investigators to establish the cause and origin of the fire. Understanding what materials were present and how they contributed to the fire's spread is fundamental in determining how the fire started and what allowed it to grow. Fuel sources can include flammable liquids, furnishings, and structural materials, each of which plays a significant role in how a fire burns and propagates. By identifying the fuel sources, investigators can piece together a narrative about the sequence of events leading to the fire’s ignition and spread, helping to confirm whether it was accidental, intentional, or due to some external factor. This analysis not only provides insight into the specifics of the incident but can also contribute to broader fire prevention strategies and safety measures.