Analysis On The Application Of Forensic Pathology Examination In The Criminal Investigation Of Public Security Bureau

Background:Forensic pathology is a combination of medicine and law which studies the change and development of people's injury, disability, illness and death. It provides medical evidences for the investigation and trial of cases of violence while it can solve the problem of the phenomenon of death, the cause of death, the way of death, the time of death, the place of death, the individual identification and the vulnerant of the injury in deaths. With the development of modern medicine, forensic medicine and computer science, forensic pathology inspection method has been greatly enriched. Not only from traditional autopsy to "virtual anatomy" and from the general observation to the microscopic observation, but also from manual calculation to program software, each progress has expanded the scope of forensic pathology research and enhanced the ability of solving the problem. With these progresses, forensic pathology has become more and more prominent in the criminal investigation and litigation. As the main sector of non normal death case, the Public Security Bureau need to apply forensic pathology examination method involved all kinds of death information in practice, which can effectively guide the investigative information obtained through combing, identification and analysis. Commissioned by the relevant departments, the inspection work will be carried out by the Public Security Bureau. The forensic medicine can not be carried out a systematic examination of all non normal death of the body, and the case of histopathological examination of the case is very little. The application of forensic pathology examination in Public Security Bureau is of special significance to the examination and comprehensive analysis. Forensic pathological examination involves a wide range of content and rich theoretical research. We need to continue to explore and research to achieve the development of the discipline. In our project, through collecting information from a Criminal Investigation Department of Public Security Bureau in a city for nearly three years, we analyze and research the corpse inspection case to promote the forensic pathological examination to play a greater role in the Criminal Investigation of Public Security Bureau.Objection:1. Based on the 647 cases of autopsy records classification and statistics, we analyze the present situation of the Criminal Investigation Department of Public Security Bureau on the causes of death, vulnerant, time of death, manner of death, individual identification, criminal litigation and etc. Moreover, we want to probe into the characteristic of application of forensic pathology in criminal investigation.2. This study summarizes main points of the important aspects of forensic pathological examination in the Criminal Investigation of Public Security Bureau. It provides a theoretical basis and practical guidance for the forensic pathological examination in the Public Security Bureau.Material:All autopsy cases of a Criminal Investigation Department of Public Security Bureau in the acceptance of the three years from 2013 to 2015, including corpse table test with the need of job (part of the combination of Toxicology), anatomical examination and histopathological examination of the case, a total of 647 cases.Method:1. Through consulting and summarizing the detailed records of inspection and analysis of all autopsy cases from 2013 to 2015, we classify the main aspects of forensic pathology examination and deal with these dates by using statistical methods.2. We analyzed the standard degree and main points of the concrete cases with reference to the industry standard of forensic pathological examination.3. We use the statistical software Excel and SPSS 21.0 to carry on statistical processing and testing to the data, and compare the difference. Inspection standards: a=0.05, the comparison between two years after the correction of the standard: ?'=0.017.Result:1. All of the 647 cases of forensic pathological examination have investigation in the three years. The rate of field survey which the Forensic Pathology practitioners take part in is obviously different in 2013 and 2015. The field survey rate is the highest in 2015 of 83.78%.2. The body's clothing inspection rates were above 94%in the three years. Some of the body's clothes were not tested because there were no clothes or the original clothes. The examination of cadavers'surface in forensic medicine was performed in 27.82%of all cadavers, and the histopathological examination was performed in the 14.53%of all cadavers.3. Mechanical injury and mechanical asphyxia were the two highest proportion of death cause analysis in the three years, respectively 63.60%and 11.78%.17.13% of the cadavers that autopsy was performed must be identified by histopathological examination. The cause of Sudden Death is concentrated on Coronary Heart Disease, Cerebral Vascular Disease and Aneurysm in the three years. Drinking which accounted for a relatively high,35.14%, is a incentive in the cause of death.4. The proportion of homicide cases were 35.14%,45.81%and 49.81%of the three years, and the total ratio was about 44.36%.5. The corpses which are in early stage and late stage are accounted for 82.38% and 17.62%in the examined bodies in the three years.6. The proportion of injuries caused by blunt and sharp in homicide cases is the highest in the three years,59.23%and 37.63%respectively. The accuracy rate of sharp and firearms is 100%. The accuracy rate of blunt is 88.24%.7. Known identity information bodies and unknown bodies accounting for 88.10%and 11.90%, respectively. A variety of methods were adopted to identify the unknown bodies for individual identification in forensic pathological examination. 16.89%of the bodies were not identified by means of the method of forensic pathological examination.8.2.79%of all the homicide cases require forensic professionals to testify in court in the three years. In the identification document, the important negative results are described emphatically.Conclusion:1. Forensic professionals can obtain useful information for the inspection of the body and the analysis of the results from the field survey; meanwhile they can guide the field survey from a professional point of view. Forensic professionals need to further improve the rate of site investigation in the Public Security Bureau.2. Autopsy and histopathological examination of cadavers influence the deduction of result of examination. Forensic professionals need to improve the rate of autopsy and histopathological examination in the Public Security Bureau.3. The cause of death of mechanical injury and mechanical asphyxia accounted for 63.60%and 11.78%respectively. The homicide cases of manner of death accounted for 44.36%of the total number of dead bodies. The blunt object of vulnerant accounted for 59.23%of all homicide cases. They reflect the characteristics of forensic pathology examination in the Public Security Bureau of the municipality.4. Legal proceedings should be prepared from the normative and comprehensive aspects of forensic pathological examination. The description of important negative results should be attached importance to in the identification opimon.