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201.
Heide KM Roe-Sepowitz D Solomon EP Chan HC 《International journal of offender therapy and comparative criminology》2012,56(3):356-384
Murders committed by juveniles remain a serious concern in the United States. Most studies on juvenile homicide offenders (JHOs) have used small samples and have concentrated on male offenders. As a result, little is known about female JHOs and how they differ from their male counterparts on a national level. This study utilized the Supplementary Homicide Report (SHR) database to examine more than 40,000 murders committed by male and female juvenile offenders from 1976 to 2005. This research effort, the most expansive to date, replicated previous findings with respect to gender differences using bivariate and multivariate analyses. As predicted, six variables used to test eight hypotheses with respect to male and female JHOs in single-victim incidents were significant (victim age, victim-offender relationship, murder weapon, offender count, victim gender, and homicide circumstance). Regression analysis revealed that all variables remained significant when entered into the model. This article concludes with a discussion of our findings and directions for future research. 相似文献
202.
Analogs and derivatives of traditional illicit drugs are ever increasing in variety and creativity. Staying abreast of the new developments is a constant challenge for every forensic laboratory. Recently, a seizure from Australian Customs Service presented our laboratory with the designer cathinone 3,4-dimethylmethcathinone (3,4-DMMC). Gas chromatography/mass spectrometry (GC/MS), liquid chromatography/mass spectrometry (LC/MS), nuclear magnetic resonance (NMR) spectroscopy, infrared (IR) spectroscopy, and ultraviolet (UV) spectrophotometry were employed to analyze the spectroscopic characteristics of this cathinone. As an analog, 3,4-DMMC exhibits similar if not identical IR and UV profiles to mephedrone (4-MMC) and methcathinone; however, the retention time from GC is unique as expected, and the electron impact fragmentation pattern is consistent with the fragmentation pattern of other cathinones. The chemical shifts of the carbons and hydrogens were assigned by both one- and two-dimensional NMR techniques, while the molecular weight was confirmed by LC/MS. 相似文献
203.
Oliver Dalby B.Sc. David Butler M.Sc. Jason W. Birkett Ph.D. 《Journal of forensic sciences》2010,55(4):924-943
Abstract: A comprehensive review of the scientific literature on gunshot residue (GSR) is presented. Aspects of both inorganic and organic GSR are discussed, from formation and distribution, to sample collection, preparation, and analysis using a variety of techniques. The interpretation of GSR results is also considered including issues surrounding the contamination, distribution, and transfer of GSR. Potential problems with ulterior sources of GSR like particles have been reported in the literature. For example, particles from environmental and occupational sources have been highlighted as exhibiting similar chemical and morphological characteristics to GSR. These findings are put into context with regard to interpreting samples. A move toward a “case by case” approach is argued to be more preferable to a “formal” classification system where possible. The analysis of both inorganic and organic compositions of residue samples as well as morphological considerations is considered to be a more ideal approach to GSR analysis, whereever practicable. 相似文献
204.
Abstract: The ASTM standards on Writing Ink Identification (ASTM 1789‐04) and on Writing Ink Comparison (ASTM 1422‐05) are the most up‐to‐date guidelines that have been published on the forensic analysis of ink. The aim of these documents is to cover most aspects of the forensic analysis of ink evidence, from the analysis of ink samples, the comparison of the analytical profile of these samples (with the aim to differentiate them or not), through to the interpretation of the result of the examination of these samples in a forensic context. Significant evolutions in the technology available to forensic scientists, in the quality assurance requirements brought onto them, and in the understanding of frameworks to interpret forensic evidence have been made in recent years. This article reviews the two standards in the light of these evolutions and proposes some practical improvements in terms of the standardization of the analyses, the comparison of ink samples, and the interpretation of ink examination. Some of these suggestions have already been included in a DHS funded project aimed at creating a digital ink library for the United States Secret Service. 相似文献
205.
Abstract: Proponents of constitutional patriotism advocate the promotion of a political national identity. Whether a national identity founded on common political values is viable, however, remains a matter of dispute. The Swiss nation is one of the few empirical cases cited by those who argue that a political national identity can be a sufficient guarantor of institutional stability and social coherence; indeed, Switzerland is widely regarded as a prototype of the political nation. The aim of our analysis is to empirically test this claim. In doing so, we rely on classical typologies of national identity. We propose to use a more finely graded typology than the usual dichotomies, however – one which allows for combined types – and to focus on individual perceptions of national identity at the mass‐ and elite‐levels. The empirical analysis of whether the Swiss nation can correctly be classified as a political nation draws on data from mass and MP surveys. Our conclusion is that the Swiss imagine their nation in both political and cultural terms, and the essence of their cultural identity is Swiss linguistic pluralism and regional diversity. 相似文献
206.
Oliver Johnson Abbie Andrew Theresa Connolly 《The journal of forensic psychiatry & psychology》2019,30(2):203-219
Empirical research seldom reports on clinical outcomes within low secure services. By comparing outcome measures prior to admission and following discharge this study aimed to investigate the care pathways of patients admitted to a low secure unit (LSU). The study was conducted in an LSU and consisted of 70 patients (54 male, 16 female). Data were collected retrospectively and analysed in relation to placement security (upon admission and discharge) and admissions to hospital. Results revealed that admissions to hospital and time spent in hospital decreased post-discharge in comparison with pre-admission. Forensic patients were found to have fewer admissions than civil patients prior to LSU admission. Some differences were also observed within gender and Mental Health Act (MHA) section status for placement security. The findings demonstrated that following treatment in a LSU, care pathways may be less restrictive than prior to admission. Further, more robust research on the outcomes of LSUs is required. 相似文献
207.
Amanda C. Walsh Marwa E. Salem Zachary T. Oliver Kyle Clark-Sutton 《The Journal of Technology Transfer》2018,43(6):1607-1630
Each year, the United States invests about $45 billion in research conducted by federal researchers within federal laboratories. These efforts generate extensive social benefits when results are transferred to the private sector. It is important that we effectively quantify the economic and societal impact of federal technology transfer activities to inform taxpayers and policymakers about the value of public investments in this form of research. The Argus II device, an artificial retina commercialized in the United States by Second Sight in 2013, provides a rich example of how private sector innovation can be enhanced by research collaborations with federal labs and academia. Over the 25-year journey from idea to product, Second Sight carried out research and development collaborations with six Department of Energy national laboratories and seven universities. The case of Argus II also offers valuable insight into (1) how private industry, academia, and government can work together to bring socially beneficial innovations to fruition and (2) the tradeoffs inherent in these public–private collaborations. In this paper, we use a Markov model to estimate the realized and potential future social benefits associated with Argus II. We provide an interactive tool that can be used to replicate our findings and modify assumptions using updated patient information as it becomes available. We also provide insight into the aspects of federal involvement surrounding the development of Argus II that contributed to its successful commercialization and discuss other spillover benefits from these public–private collaborations. 相似文献
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210.
This article examines arms-length 'regulation' of UK government – the public-sector analogy to regulation of business firms — and assesses the precepts for public-sector regulation embodied in the Blair Labour government's official vision of public-man-agement reform, its Modernising Government White Paper of 1999. As a background to assessing the recipes for public-sector regulation in Modernising Government, the article shows that such regulation grew markedly both in the two decades up to 1997 and in the plans and activities of the Blair government from 1997 to 1999. Against that background, the design principles for public-sector regulation contained in Modernising Government are assessed. The White Paper was notable for embracing a doctrine of 'enforced self-regulation' for the public sector that involved aspirations to both more and less public-sector regulation in the future. It put its faith in a mixture of oversight and mutuality for 'regulating regulation'. But in spite of the radical-sounding tone of Modernising Government, the measures proposed appeared limited and half-hearted, and two well-known institutional design principles for regulation seemed to be missing altogether from the Blair government's view of administrative 'modernity'. 相似文献