Hydrocarbon and Fatty Acid Composition from Blowfly Eggs Represents a Potential Complementary Taxonomic Tool of Forensic Importance,

One of the most important contributions of forensic entomology is to assist criminal expertise to determine the postmortem interval, which depends on the duration of the immature stages of insects of forensic interest. On the other hand, the time of development of the different stages varies according to the species; therefore, its identification is essential. Currently, few studies have investigated the use of cuticular hydrocarbons, and none regarding fatty acids, as complementary taxonomic tools to expedite species identification. Therefore, we evaluated whether cuticular hydrocarbons together with fatty acids of eggs of flies of the family Calliphoridae, main group of forensic interest, can be used to distinguish species. The analyses were performed by chromatographic techniques. The results show that there are significant differences between the composition of cuticular hydrocarbons and fatty acids between species and, therefore, they can be used to provide a complementary taxonomic tool to expedite the forensic expertise.     

Comparing Known and Reconstructed Circumstances of Death Involving a Blunt Force Trauma Mechanism through a Retrospective Analysis of 21 Skeletonized Individuals

Little is known about to what extent the events surrounding death can be reliably reconstructed from blunt force trauma analysis alone. In this study, we reconstruct circumstances of death from a blind blunt force trauma analysis using a sample of 21 individuals of known death circumstances, obtained from two identified skeletal collections in Portugal. Fresh versus dry bone trauma and probable mechanism of fracture production were identified. The overall pattern of injuries was then used to reconstruct the most likely circumstances of death. Results show an agreement between the proposed and the reported circumstances for 13 individuals (68.4%), disagreement for 3 (15.8%), and similarity in 3 cases (15.8%). Although the significant amount of agreement highlights the potential of trauma analysis, the cases with disagreement draw attention to the pitfalls and shortcomings of attempting to reconstruct the death circumstances from skeletal trauma analysis alone.     

A Reappraisal of Developing Permanent Tooth Length as an Estimate of Age in Human Immature Skeletal Remains

This study expands on existing juvenile age prediction models from tooth length by increasing sample size and using classical calibration. A sample of 178 individuals from two European known sex and age skeletal samples was used to calculate prediction formulae for each tooth for each sex separately and combined. Prediction errors, residuals, and percentage of individuals whose real age fell within the 95% prediction interval were calculated. An ANCOVA was used to test sex and sample differences. Tooth length for age does not differ between the samples except for the canine and second premolar, and no statistically significant sex differences were detected. The least prediction error was found in the incisors and the first molar, and the highest prediction error was found in the third molar. Age prediction formulae provided here can be easily used in a variety of contexts where tooth length is measured from any isolated tooth.     

3D forensic facial approximation: Implementation protocol in a forensic activity

The primary objective of this paper is to report on the successful implementation of forensic facial approximation in a real case in the forensic context. A three‐dimensional (3D) facial approximation protocol of the skull was performed with free software, applying techniques in a virtual environment that have already been consolidated in the literature. The skull was scanned with the photogrammetry technique, the digital replica was imported in the Blender software (Blender Foundation, Amsterdam) and individualized model sketches of the face were traced with the MakeHuman software (MakeHuman Org) according to the anthropological profile of the victim. The face created was imported in Blender, where it was adapted, modeled, and sculpted on the 3D skull and its soft tissue markers, using an American open‐source application of the technique in the digital environment. The face created in a virtual environment was recognized and legal identification procedures were started, resulting in the more agile delivery of the disappeared body to its next of kin. It is therefore concluded that facial approximation may not be a primary method of human identification, but it can be satisfactorily applied in the forensic field as an individual recognition resource. It has great value in narrowing the search, reducing the number of alleged victims, and leading to identification tests, therefore significantly reducing the number of genetic DNA (deoxyribonucleic acid) tests—which are considered costly for the State or Federation—and consequently reducing the waiting time before delivery of the body to its family.     

Recidivism after Fines,Suspended Sentences,and Imprisonment

In 1969 the Federal Republic of Germany abolished almost totally short prison terms in favor of fines. Between 1968 and 1971 the proportion of prison sentences was reduced by way of penal law reform from 23% to 7%. A corresponding decline in the number of prisoners per 100,000 could be observed within this period, too: whereas about 100/100,000 were incarcerated in 1969, the rate of incarceration in 1971 was 66/100,000. The dramatic decline in the number of prison sentences as well as in the number of prison inmates led to apprehensions that this change in sentencing policy might result in increasing rates of recidivism. A comparative analysis of recidivism after fines, prison sentences, as well as suspended sentences, was carried out in order to provide empirical evidence concerning this question.     

Fines and Justice Administration: The Experience of the Federal Republic of Germany

As part of the penal code revised in 1969, the Federal Republic of Germany increased its reliance on fines, including the introduction of day-fines, in lieu of short-term imprisonment for minor offenses. The previous trend toward the use of fines was accelerated by the requirement that courts order imprisonment only in exceptional cases. Traffic cases were particularly affected. The qualities of the offense and the absence of previous offenses, rather than an individualized study of the offender, continued to be the dominant criterium influencing the choice of a fine. The chief effect of day fines was higher amounts applied to the more affluent defendants; the amount of the fine appeared to have no effect on subsequent recidivism. For first offenders, fines were superior to imprisonment in avoiding reconviction. Day-fines were no more effective (but not less effective) than imprisonment in the instance of traffic offenses. Fines were superior to other sanctions for petty property offenders but not for career thieves.     

China-Brazil: A Strategic Partnership in an Evolving World Order

The first decade of the twenty-first century witnessed a sharp intensification of the relations between China and Brazil. The two countries deepened their commercial links and, as a result, Brazil became China’s largest trading partner in Latin America. They have also further improved the quality of their political cooperation by setting up, for the first time, high-level bilateral institutions. Both countries have also been working together within multilateral institutions and mechanisms. The economic causes and impacts of this phenomenon have been widely discussed, but little however has been said about its specific political and strategic dimensions. In order to fill this gap, this article suggests an analysis that looks at the historical context of the relationship between China and Brazil, and sets up an enquiry into the most relevant domestic actors and at the strategic meanings behind their partnership. The goal here is twofold. Firstly, to analyse the role of domestic actors in the intensification of this partnership. Secondly, to discuss to what extent this intensification may be seen as evidence of any strategic interest of China and Brazil to put in place a more proactive, wilful and global foreign policy intended to shape globalisation and the world order.     

Parentage testing on blood crusts from firearms projectiles by DNA typing settles and insurance fraud case

We describe a case of a fraudulent insurance claim. The family of an adult white male (DLF) notified the police of their son's disappearance. After a few weeks, a corpse that presented characteristics similar to those of the DLF was found in advanced stages of decay and was identified by the family as being DLF. The family then filed a claim for the life insurance that DLF had taken out just before he disappeared. Suspicions were raised about the identification of the corpse, because it had been done only visually, and because the insurance policy had been taken out just prior to DLF's disappearance. The insurance company requested a postmortem examination for identification. As the corpse had been cremated immediately after identification by the family, the biological material that was encrusted on the two projectiles removed from the body was used for analysis. The blood crusts provided enough genomic DNA for us to carry out PCR base typing of HLA-DQA1, D1S80, HUMCSF1PO, HUMTPOX, HUMTH01, D3S1744, D12S1090, D18S849, and amelogenin. Results from all loci typing from the corpse presumed to be that of DLF were then compared with that of his alleged biological parents, revealing genetic incompatibility.     

A Test of Three Methods for Estimating Stature from Immature Skeletal Remains Using Long Bone Lengths*

Abstract: In this study, the accuracy of three methods for stature estimation of children from long bone lengths was investigated. The sample utilized consists of nine identified immature skeletons (seven males and two females) of known cadaver length, aged between 1 and 14 years old. Results show that stature (cadaver length) is consistently underestimated by all three methods (from a minimum of 2.9 cm to a maximum of 19.3 cm). The femur/stature ratio provided the least accurate estimates of stature, and predictions were not significantly improved by the other two methods. Differences between true and estimated stature were also greatest when using the length of lower limb bones. Given that the study sample children grew in less than optimal environmental conditions, compared with the children that contributed to the development of the methods, they are stunted and have proportionally shorter legs. This suggests that stature estimation methods are not universally applicable and that environmental differences within a population (e.g., socioeconomic status differences) or differing levels of modernization and social and economic development between nations are an important source of variation in stature and body proportions of children. The fallibility of stature estimation methods, when they do not consider such variation, can be somewhat minimized if stature is estimated from the length of upper limb bones.     

Crime, economic conditions, social interactions and family heritage

This paper tests whether factors referring to socio-economic aspects, family heritage, social interaction, habits and customs explain differences among violent and non-violent prisoners. Some of the results of the probit estimation show that economic issues are the main factors that stimulate the practice of non-violent crime. On the other hand, violent crimes results suggest that factors related to family heritage reduce this kind of crime. In relation to variables of social interaction, prisoners who were brought up in a good neighborhood have a lower probability of committing violent crimes.