Investigation and thoughts on a large-scale arson case

It is difficult to accurately inquiry and determine causes of fire and smoothly transfer and proceed suspected criminal case based on evidences among those completely collapsed and severely damaged fire scenes after fire-fighting and rescue actions.In this paper,a case of fire caused by committed arson resulting in a large-scale of casualty has been successfully investigated and determined,and this criminal case has been transferred and proceeded.Some key-points and methodology used in this suspected arson case investigation would provide some reference for similar fire investigation.