The cause of the fire, how was it investigated.

Even after the fire, the scene will still leave a lot of relevant evidence, such as such as you think a fire can burn all the things on the wrong, first of all, the investigation of the fire scene, partly dependent on the scene of the discoverer (eyewitnesses to the fire), extinguishers of the testimonies and the investigators of the experience and professional knowledge of the fire residue of the burned state and the characteristics of the law, the physical evidence of the remnants of the traces of analysis, identification and Identification. The cause of the fire is generally analyzed through the residue of the body of the occurrence of fire, the development of spatial and temporal relations, traces of physical evidence of the mutual proof of the relationship between the determination of the direction of the fire and the direction of the spread of the fire, and ultimately to find the point of origin of the fire. This is a discipline in the identification of traces Oh ~