Estimation and evidence in forensic anthropology: age-at-death

A great deal has previously been written about the use of skeletal morphological changes in estimating ages-at-death. This article looks in particular at the pubic symphysis, as it was historically one of the first regions to be described in the literature on age estimation. Despite the lengthy history, the value of the pubic symphysis in estimating ages and in providing evidence for putative identifications remains unclear. This lack of clarity primarily stems from the fact that rather ad hoc statistical methods have been applied in previous studies. This article presents a statistical analysis of a large data set (n = 1766) of pubic symphyseal scores from multiple contexts, including anatomical collections, war dead, and victims of genocide. The emphasis is in finding statistical methods that will have the correct "coverage."Coverage" means that if a method has a stated coverage of 50%, then approximately 50% of the individuals in a particular pubic symphyseal stage should have ages that are between the stated age limits, and that approximately 25% should be below the bottom age limit and 25% above the top age limit. In a number of applications it is shown that if an appropriate prior age-at-death distribution is used, then "transition analysis" will provide accurate "coverages," while percentile methods, range methods, and means (+/-standard deviations) will not. Even in cases where there are significant differences in the mean ages-to-transition between populations, the effects on the stated age limits for particular "coverages" are minimal. As a consequence, more emphasis needs to be placed on collecting data on age changes in large samples, rather than focusing on the possibility of inter-population variation in rates of aging.     

Inclusion Probabilities and Dropout

Abstract: Recent discussions on a forensic discussion group highlighted the prevalence of a practice in the application of inclusion probabilities when dropout is possible that is of significant concern. In such cases, there appears to be an unpublished practice of calculation of an inclusion probability only for those loci at which the profile of interest (hereafter the suspect) is fully included among the alleles present in the crime scene sample and to omit those loci at which the suspect has alleles that are not fully represented among the alleles in the mixture. The danger is that this approach may produce apparently strong evidence against a surprisingly large fraction of noncontributors. In this paper, the risk associated with the approach of ignoring loci with discordant alleles is assessed by simulation.     

试析应收账款受让人与破产管理人的权利冲突

保理中的应收账款转让属于一般债权让与。在供应商破产的情况下,保理商对应收账款的权利与破产管理人的权利发生冲突。美国破产法和《统一商法典》对应收账款转让的调整值得我国破产法借鉴。根据我国破产法的规定,应收账款一般不应作为破产财团,破产管理人不应享有对保理合同的撤销权,保理合同应当继续履行。对该等权利清偿顺序的确定需要建立应收账款转让的适当公示程序,并应当进一步完善破产法中的相关规定,建立一般与例外以及对例外进行限定的完整制度。     

Combined Statistical Analyses of Forensic Evidence in Sexual Assault: A Case Report and Brief Review of the Literature

DNA analysis has been widely used in the forensic field in order to contribute to identifying the perpetrator of a crime. Forensic investigation in sexual assaults usually focuses on locating and identifying biological fluids, followed by DNA analysis. The identification of certain compounds present in condoms can be useful to reconstruct the occurred event, especially in cases of sexual assaults where the DNA analysis did not show the presence of a male profile and where RNA analysis did not show the presence of sperm markers. Herein we describe the case of a woman reporting to be victim of sexual assault, who was not able to provide accurate information concerning the dynamics of the event; she remembered only forced penile–vaginal penetration by a single perpetrator. We performed short tandem repeat (STR) analyses and mRNA typing for forensic genetics testing on vaginal and rectal swabs collected on the victim, and Fourier-transform infrared spectroscopy (FTIR) followed by chromatographic analyses for the detection of condom compounds on the same swabs. The STR analysis showed only the victim’s genetic profile, and RNA analysis showed only the presence of vaginal and skin markers. In this situation, the identification of condom compounds residues on vaginal swabs became important as it complemented other collected evidences allowing the Court to reconstruct the events. A proposal of likelihood ratio (LR) calculation for the assessment of the weight of evidence in this case is described.     

Does the police code of silence vary with police assignment? An empirical exploration of the relation between the code and assignment

ABSTRACT

This paper contains an in-depth exploration of the relation between police code of silence and police assignment. A police integrity survey was used to measure the contours of the code among Croatian patrol officers, detectives, and community-policing officers. Samples of police officers evaluated fourteen hypothetical scenarios describing various forms of police misconduct. Whereas the type of assignment was a weak predictor of the respondents’ adherence to the code of silence, the respondents’ assessments of misconduct seriousness and expected discipline, as well as perceptions whether other officers would report misconduct, were strong predictors of the respondents’ own expressed adherence to the code.     

Humans Are Animals,Too: Critical Commonalities and Differences Between Human and Wildlife Forensic Genetics

Wildlife forensics has recently been recognized among the wide variety of forensic science disciplines. This review compares human and wildlife DNA forensics, which use the same genetic tools, but often for far different purposes. Human forensic genetics almost invariably attempts to identify individual perpetrators involved in a given crime. Wildlife forensics often determines whether a crime has occurred. In addition to techniques familiar in human laboratories, like individual matching with STRs, wildlife analysts may be asked to determine the taxonomic identity, geographic source, or sex of evidence items, or the familial relationships or minimum number of individuals among a group of samples. This review highlights the common questions, legal framework, databases, and similar validation requirements to foster understanding between disciplines. Based on this understanding, human and wildlife DNA practitioners may work together and learn from each other in order to elevate the discipline of forensic genetics.     

Low-cost policy specialisation,district characteristics and gender. Patterns of committee assignment in Romania

ABSTRACT

Committee assignment can influence the efficiency of legislative work, the success of parties in reaching their policy goals and even the electoral fates of individual legislators. Nevertheless, little is known about this process in the legislatures established in the Central and Eastern European democracies. These legislatures faced severe informational, electoral and partisan challenges which raised the stakes of efficient committee-seat allocation. Simultaneously, most parliaments in the region were endowed with strong committees. The Romanian Parliament is representative for this combination of conditions. Drawing on a dataset that covers the careers, sector knowledge, partisan and electoral attributes of all the members serving in five terms of the Chamber of Deputies the article shows that committee assignment is used to facilitate low-cost policy specialisation, district characteristics matter for gaining seats in committees with distributive potentials, while female legislators are confined to committees dealing with feminised policy areas.     

法定的债权移转之下的保险代位权制度的困境与选择

在以防止被保险人不当得利这一统一的价值引领之下,大陆与英美两大法系发展出法定的债权移转与权利法定代位两种不同的制度安排。由于不真正连带债务理论的局限,法定的债权移转无法有效地防止被保险人的不当得利,而权利法定代位则有助于克服前者所面临的困境,并以此成为一个相对优化的制度选择。我国目前的研究已经对法定的债权移转的困境展开初步的检讨,但是,其尚未对不真正连带债务这一基本理论构造进行深刻的批判。因此,当下的研究有必要上升到防止被保险人不当得利这一价值高度,由此证明不真正连带债务理论所构造的保险代位权制度存在着价值落空的困境,从而为我国当下保险代位权制度的重塑奠定基础。