Text 1) Before you begin processing the scene, secure the perimeter and limit access as much as possible. Do not think of the crime scene as just the building or the car where the fire occurred. Consider a broader area. An empty gasoline can or other evidence may have been pitched in the surrounding bushes or fields. 2) Remember, safety first! If you find an explosive device, back out and call the bomb squad. Be alert to dangerous areas of the building. If there are burn victims present, get them help immediately. The victims may have evidence on them, so remember to collect their clothing and other items once they receive help. 3) Another essential step is taking proper precautions to ensure the scene isn't contaminated and you're protected. Arson scenes can be especially hazardous because of the possible presence of toxic fumes, smoke, and dangerous debris. Always wear gloves and appropriate footwear. In some cases, you may need a gas mask and/or breathing apparatus. If there is a body at the scene, wear a protective suit to protect against health hazards from blood or other bodily fluids. You must be sure the area around the body is well documented and that you have retrieved all evidence on and near the body before it's moved. 4) Thoroughly documenting the scene is essential. Carefully note who enters and leaves the scene. Photograph the entire scene from different angles before you process it and create diagrams. When you begin collecting evidence, photograph each item where you find it. Note the location, the date, and the time. Remember that when you go to court, the judge will ask you where the evidence came from and who was responsible for it. It is very important that you provide proper documentation. a. Collecting Evidence at the Arson Scene; b. Taking Photos at the Arson Scene; c. Handling a Body at the Arson Scene; d. Methods and Stages of Work at the Arson Scene.