When asked about the fire investigation methods and techniques that should be ta
Fire The survey asked is fire, the fire officer to identify the cause of the fire investigation, fire losses and fire responsibilities, personnel and insiders to understand, to check the situation and to obtain witness testimony, found clues, collect evidence. It is the cause of the fire investigation one of the main ways. The survey asked mainly asked to prepare, talk, review and verify the three parts. Below, I will combine the work of a brief analysis of the actual fire investigation and inquiry methods and techniques.
A fire investigation and inquiry preparation
(A) to determine the object of inquiry and content
Survey asked the purpose is to obtain the objective cause of the fire to prove that fact. Therefore, most associated with the fire people are the focus of inquiry. The following course ought to ask the object of five persons: one who first discovered fire. Can they understand the fire broke out, fire site, the discovery process, the direction of fire spread, burning conditions, with or without suspicious people into the fires and so on. Second, the first people at a fire extinguishing. Can fire when they understand the state of fire, with or without odor of the fire scene, which move and operated rescue, doors and windows is intact and so on; third is to leave the scene after the fire or the fire when the person at the scene. Can be left to them to understand the time behavior items placed on site, machinery and equipment functioning, activities and other relevant personnel. The fourth is familiar with the fire scene or production process items were placed. Can they understand the fire site to store, use the types of items, quantity, nature and each other location, storage time and storage conditions, the fire part of fire, Power supply , Heat source and the distance between the fuel. Five other officers. Can be seen and heard them understand the situation before and after the fire.
(B) of the familiar scene of the fire situation
Survey the scene and asked about the scene is to ensure the success of the key. View the scene to determine the important and difficult inquiry to targeted asked people being asked about on-site materials, and orientation can be accurately recorded and described. See the scene of the fire, the fire can be aware of the general situation, when asked to grasp the initiative, how about, talk about what will be emphasized.
(C) choose the time and place of inquiry
Asked time to follow the object, depending on the different objects of inquiry have time to have problems, different times been asked the feelings of different people, different memory capacity, the interview did not do the same. To grasp the situation according to the fire, to gradually in-depth approach, discharge the order asked, to prevent repeated inquiries and omissions. Under normal circumstances, during the day, at night can be asked, but asked adolescents and women in general, to avoid the evening or early morning.
Asked about site selection is good or bad, tend to affect the inquiry results. In general, Environment Independent and quiet place, conducive to people being asked about the narrative and memory. If people are asked to live, work place asked about neighbors, colleagues around too many people will be asked concerned about their face or not and secrecy are reluctant to talk about the facts or deliberately withheld some details.
(D) select and list ask ask outline ways
Asked about the form of a question of terminology, asking strategies, methods and steps. Asked to choose the right way not only make the memories of witnesses and the smooth talk, but also can effectively change the negative psychology of certain witnesses.
II survey asked talk
(A) the investigation and inquiry form
1. Free state law. Personnel requirements that were asked were asked a comprehensive account of the perceived circumstances of the incident, this approach usually asked at the beginning, the advantage of being asked to have full freedom to present their case by the memories of the events, people are not asking too many questions of interference , the contents statements with logic and coherence.
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