Visualization of Latent Fingerprint Corrosion on a Discharged Brass Shell Casing

Abstract:  Latent fingerprint visualization on discharged shell casings can provide good forensic evidence, particularly if the casing is recovered at the scene of a crime where a firearm has been discharged. Unfortunately, visualization of such latent fingerprints when they were deposited prior to discharge of the firearm is problematic as both increased temperature and abrasive friction can inhibit fingerprint visualization with conventional techniques. We present a case study that demonstrates latent fingerprint visualization on a discharged shell casing recovered 14 years ago from the scene of a homicide. Previous cyanoacrylate fuming of the casing had failed to reveal any fingerprints. We use a visualization technique in which a conducting carbon powder adheres preferentially to latent fingerprint corrosion of the casing surface, following the application of a potential of 2.5 kV to the casing. This technique presents opportunities for the review of old cases and for consideration of its use in current cases.     

经济学的时空观

随着自然与社会的交错运动,科学研究不断综合,超越学科的研究越来越成为科学发展的一种倾向。在这种研究过程中,人们发现各学科在某些领域有着惊人的相似之处,比如物理场、时空观、力学运动等领域的思想、方法都适用于经济学。马克思首先在经济学的研究中引用了自然科学的思想和方法,为现代经济学的发展打下了基础。树立正确的时空观,对于经济科学本身以及与之相关问题的研究都是有意义的。     

Victim resistance and offender weapon effects in robbery

What happens when victims resist robbers? Logistic regression analysis of over 4500 sample robbery incidents reported in the 1979–1985 National Crime Surveys reveals the following about various forms of victim resistance. Self-protection (SP) of any kind apparently reduces the probability of the robbery being completed, i.e., the robber getting away with the victim's property. Armed resistance is more effective than unarmed resistance, and resistance with a gun, though relatively rare, is the most effective victim response of all. Resistance with a gun also appears to reduce the likelihood of the victim being injured, while two types of resistance appear to increase it: (1) unarmed physical force against the robber and (2) trying to get help, attract attention, or scare the robber away. The robber's possession of a gun appears to inhibit victim resistance, which can sometimes provoke a robber to attack; robber gun possession thereby reduces the probability of victim injury. However, even controlling for victim resistance, robber gun possession, is associated with a lower rate of injury to the victim. Finally, robbers with handguns are much more likely to complete their robberies, and those with knives and other weapons are somewhat more likely to do so, compared to unarmed robbers.     

Thinking the crisis politically: lineages of resistance to neo-liberalism and the politics of the present conjuncture

Dominant forms of left theorizing in relation to the crisis have constructed emergent forms of resistance as limited and reactive. This depiction of resistances, however, is created partly by abstracting the crisis from ongoing contestation of neo-liberalism. This paper situates emerging resistances to crisis and austerity in relation to ongoing trajectories of the contestation of neo-liberalism. It examines some of the solidarities and antagonisms being shaped in relation to the crisis. The paper concludes that a focus on the dynamic trajectories of alternative politics can open up different possibilities within the current conjuncture.     

呼之欲出的社会公益募捐法

5．12汶川地震之后,全国各界展开了对地震灾区的援助,除了直接赶赴灾区进行救灾援助之外,捐赠或者募捐成为很长一段时间内人们对地震灾区主要的援助手段。基于我国现阶段对于捐赠与募捐的立法现状,其中有诸多的不规范之处,而募捐过程中也产生了诸多问题。这些问题如果在短时间内得不到解决,一方面,会影响到灾区所可能接收到的外在援助,另一方面,也会由于募捐本身的不规范导致捐赠者的失望可能影响到全社会的利他主义与人道主义信念的下滑,这对于现阶段和谐社会的建构是至关重要的。本文将就募捐的法律性质、募捐的现有规范及募捐现存的问题作一初步探讨,以期对我国募捐法案的出台有所裨益。     

Where the whole city meets: youth,gender and consumerism in the social space of the MEGA shopping mall in Aktobe,western Kazakhstan

ABSTRACT

The shopping mall entered Central Asia's commercial sector as a result of the economic transformation of post-Soviet space. Constructed near the centre of the city, the shopping mall overwrites the urban landscape, dominating it as a symbol of modernity. It functions as a gateway of global consumerist culture to the Eurasian steppe. Using the MEGA shopping mall in Aktobe, in western Kazakhstan, as an example, this article shows that the building acts as a stage for the construction of a new social and cultural space. This study focuses on the ways in which young women interact with the mall's spaces. The mall turns out to be a playground not only for children, but also for the whole younger generation, who come to this unique place to see and be seen. The mall became a hot spot of youth culture in the post-socialist worker's city by offering more than a mere shelter from dust and snow storms on the steppe. The available amenities made it a favourite place for meeting, consuming and dreaming. Young women especially are attracted to MEGA to experience the newest fashions and build social relationships.     

War Games redux? Cyberthreats,US–Russian strategic stability,and new challenges for nuclear security and arms control

Some 30 years since the release of the Hollywood blockbuster War Games, the possibility that hackers might break into nuclear command and control facilities, compromise early warning or firing systems, or even cause the launch of a nuclear weapon has become disturbingly real. While this challenge will impact all nuclear-armed states, it appears particularly acute for the USA and Russia given their large, diverse, and highly alerted nuclear forces. The fact that east–west relations have deteriorated to a nadir perhaps not seen since the 1980s, strategic instability has increased – particularly in the wake of the Ukraine and now Syria crises – and that the nuclear arms reductions agenda appears to have reached a standstill makes this challenge particularly pressing. In this discouraging milieu, new cyberthreats are both exacerbating the already strained US–Russia strategic balance – particularly the perceived safety and security of nuclear forces – and at the same time creating new vulnerabilities and problems that might be exploited by a third party. Taken together, these dynamics add another major complication for current arms control agreements and possible future nuclear cuts, and also seem likely to increase the possibility of accidents, miscalculation, and potential unauthorised nuclear use, especially given the large number of nuclear weapons that remain on “hair-trigger” alert.     

A Procedure for Calculating the Vertical Space Height of the Sacrum When Determining Skeletal Height for Use in the Anatomical Method of Adult Stature Estimation

Estimating stature from skeletonized remains is one of the essential parameters in the development of a biological profile. A new procedure for determining skeletal height (SKH) incorporating the vertical space height (VSH) from the anterior margin of the sacral promontory to the superior margins of the acetabulae for use in the anatomical method of stature estimation is introduced. Regression equations for stature estimation were generated from measurements of 38 American males of European ancestry from the William M. Bass Donated Skeletal Collection. The modification to the procedure results in a SKH that is highly correlated with stature (r = 0.925–0.948). Stature estimates have low standard errors of the estimate ranging from 21.79 to 25.95 mm, biases from to 0.50 to 0.94 mm, and accuracy rates from 17.71 mm to 19.45 mm. The procedure for determining the VSH, which replaces “S1 height” in traditional anatomical method models, is a key improvement to the method.     

Spaces of exception: governing fuel poverty in England’s multiple occupancy housing sector

Homes in multiple occupancy (HMOs) – residential properties containing common areas shared by several households – are a growing feature of the housing landscape across the UK. They have often been subject to political stigmatization as a result, in part, of comprising poor quality dwellings. This paper uses a “spaces of exception” framework to explore the juridical and material mechanisms involved in the rise of fuel poverty among people living in HMOs. Having analysed evidence from interviews, census data and the secondary literature pertaining to the English context, we highlight the processes that have led to the biopolitical othering of this housing stock in institutional and infrastructural terms. We argue that the expansion and persistence of fuel poverty in HMOs are promoted not only by the disproportionate concentration of low-income residents in relation to the rest of the private rented sector, but also by the socio-technical configurations that underpin this type of housing. Fuel poverty can thus be seen as the joint outcome of broader practices of legal, political and material delegitimization.     

法医现场勘查学初析

法医现场勘查是公安法医检案的一个组成部分,与痕迹现场勘查各有侧重。本文通过室内、野外、运动空间三类现场初步分析了法医现场勘查的要点。