Incendiary fires can pose many problems for the investigator. The following steps should be observed when conducting an arson investigation. During the fire, observe the scene to the extent possible. The arson investigator should respond to all major fires at commercial establishments, because observations during the fire are often as valuable as a later search of the property. The investigator should be alert to the following characteristics.
1.Location, Extent, and Direction of Flames
Focusing on the specific area of the fire and direction of spread helps locate the point of source of the fire. Due to diversity of construction materials and wind direction, fires rarely burn equally in all directions. The existence of two or more…

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