Your presentation should outline the following aspects: the relationship between the scientific method and the steps of fire investigations that are outlined in National Fire Protection Association (NFPA) 921 that you will be using in your daily work, the number and types of fires in your community in the last 3 years, the origin of the fires, fire dynamics associated with each fire type and how that affects fire behavior, the types of procedures used to document the scenes, the various fire effects that can be found after a fire, an explanation of fire patterns that can be seen after the fire is extinguished, what is the process for documenting the fire scene, and How does your department follow the documentation process