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31.
Hanging: suicide or homicide? 总被引:1,自引:0,他引:1
Death by Hanging: Suicide or Homicide. Six cases of homicidal hanging and murder presented as suicidal hanging are recorded. Suspension followed strangulation by ligature or throttling and head injuries in 4 cases. Distinction between homicide and suicide was easy in 5 cases: two of the perpetrators gave themselves up to the police, one committed suicide immediately after he had hanged his 15 year old daughter; in two cases tracks of blood, heavy injuries of the victims, and traces of robbery were obvious. Unless the victim is an infant or an adult person incapacitated by drink, disease, or drugs, or unless there are several assailants murder is difficult to accomplish. Distinction between murder and suicide may be impossible by an examination of the body alone. Detailed investigation of the scene, reconstruction of the position of the suspended body, examination of the rope, the knots, the direction of the fibres on the rope may serve to discover homicidal hanging. - Compared to suicidal hanging homicide has a frequency of about 1% in our autopsy material. However, we cannot estimate the number of obscure cases. 相似文献
32.
In continuation of previous light microscope investigations the question has been raised whether the criteria determined for vital muscle damage using light microscopy, could be verified and perhaps extended for the ultrastructural region. In addition to existing human pathological material taken early post mortem, muscle tissue obtained from animal experiments was also examined. The evaluation concentrated on the muscle cells, the cell organelles and the contractile apparatus. An evaluation of semi-thin-sections was carried out in parallel. The following reaction patterns could be defined as vital reactions: hypercontraction bands, zones of rupture in narrow topological relationship to organelle changes, microstructure changes with disintegration of the fibre structure, subsarcolemmic and interfibrillary oedema, decomposition of the sarcolemma. The earliest vital reactions were detectable after only a few minutes survival time. The comparison between the results of animal experiments and human pathology and the application of the results to forensic pathology will be discussed. 相似文献
33.
Gc-subtyping was carried out on blood stains that had been made on cotton and glass and stored under a variety of conditions ranging from -20 degrees to +56 degrees C. The limits of detection ranged from 2 weeks at 56 degrees C up to 92 weeks at +4 degrees C and greater than 116 weeks at -20 degrees C. Additional bands that have been reported in other studies could not be detected during this study, and this difference is thought to be due to storage of the samples in the liquid state. 相似文献
34.
35.
Two cases of suicide with bandsaws, undertaken by workers in carpenters' workshops are reported and discussed. Their choice of this method was based on the fact that they knew how dangerous such machines were. Both cases were watched by witnesses, who could not intervene due to the speed of the events. It was possible to exclude accident or homicide. 相似文献
36.
The authors compare different methods of fixation of stab and cut wounds of the skin. Fixation in formalin has more disadvantages than advantages despite its vast application. In our opinion fixation in formalin-free solution leads to better results especially with regard to subsequent investigations carried out later on. The best results were found with a modification of the Dietrich-Ratnewski fixing solution. This contains acetic acid, absolute alcohol, glycerin and water in the volume ratios 10: 15: 5: 70. 相似文献
37.
B Brinkmann 《Zeitschrift für Rechtsmedizin》1988,100(1):39-54
In this paper an attempt is made to critically review the literature, with special emphasis on bloodstain analysis. One essential aim is the integration of this field into casework. Three basic components in skillful assessment of stains are described: (1) analysis of stain morphology, (2) discriminating and attributing analyses, (3) individualization. Regarding the first, the analysis of stain morphology is based upon the extensive experimental literature published since 1895--mainly in continental Europe. Since 1971 there have also been publications in the American literature. The large family of stain forms and their dependency on multiple variables are described, especially regarding the modes of formation, the energy of impact, and the physical properties of the substrate. The essential elements for reconstruction of the crime are described. The areas of application are arranged in case groups. Since in case work the stain pattern is complicated by many artifacts and overlaps, forensic pathologists are considered the ideal experts for the analysis of bloodstain patterns, as they have a profound knowledge of the type and sequence of injuries. If this is not the case, the forensic pathologist should at least be integrated into the investigating team. In practical application, the stain form is not always adequately analysed. The education and training of pathologists should be improved to achieve this standard. Analysis of the stain morphology and a subsequent selection of stains are also essential prerequisites for meaningful further investigations. By the use of discriminating and attributing analyses, one can as a rule arrive at a definite answer by using only one test. This is true for basic questions such as the identification of blood type, as well as proof of exclusion. One can distinguish between traditional methods, the new field of immunochemistry and rarely used methods. Immunochemistry has permitted success in recent years in determination of the blood group from hair. It is recommended that reference laboratories be established for training in these rare methods. Individualization analyses are subdivided into two large fields: non-DNA individualization and DNA individualization. It is postulated that in the future stain laboratory both areas will coexist. In non-DNA individualization, essential progress has been made. The detection of protein polymorphisms by blotting and subsequent visualization by antibody-linked enzyme/substrate reactions has led to a considerable increase in sensitivity and specificity.(ABSTRACT TRUNCATED AT 400 WORDS) 相似文献
38.
Five homicides are described that had remained unexplained as to the causes of death after gross pathology. Although general signs of asphyxiation were present, they were lacking injuries specific of strangulation or oro-nasal occlusion. The diagnoses of asphyxiation were established by microscopical investigation of the lung and confirmed by subsequent police inquiries. An oro-nasal occlusion was involved in three cases, a strangulation or an oro-nasal occlusion, in another case. The victims were young and healthy. Toxicological investigations remained negative in four cases; one victim was anaesthetized by bromazepam and ether and had a blood alcohol concentration of 80 mg/100 ml. Lung histology and electron microscopy revealed acute emphysema, the development of a haemorrhagic-dysoric syndrome and a microembolism syndrome. With regard to the haemorrhagic-dysoric syndrome, the development of alveolar-interstitial edema is particularly important. This finding may also be diagnosed by light microscopy in semi-thin sections. It is emphasized that the combined action of several pathomechanisms is responsible for the rapid manifestation of the pulmonary lesions. Especially, the haemorrhagic-dysoric syndrome is brought about by the combined action of inspiratory intrapulmonary vacuum and raised intracapillary pressure. The complex pattern allows to compile the diagnosis of mechanical asphyxia even if there is no corresponding injury. 相似文献
39.
The genetic polymorphism of serum orosomucoid (ORM) was studied in 168 unrelated German individuals using isoelectric focusing followed by immunoprinting. Two new alleles, tentatively designated ORM1*14 and ORM2*13, were identified. The method was successfully applied to demonstrate ORM1 types in dried bloodstains. Each type of ORM1 was also correctly determined in bloodstains heated at 130 degrees C for 30 min. The results indicated that ORM1 is a new powerful genetic marker system for the grouping of bloodstains. 相似文献
40.
The 1 mu focal spot x-ray tube, which had been developed for industrial purposes, allows for the first time high grade direct radiographic magnification. The first results with this new technique in forensic medicine are presented. Due to the high proportion of soft radiation, tiny glass fragments which can not be detected with conventional radiographic techniques, are visualized in the radiographic magnification. Furthermore, these foreign bodies can clearly be differentiated from other contrasted structures, like dust particles, subcutaneous fat etc. 相似文献