Determining the order of deposition of natural latent fingerprints and laser printed ink using chemical mapping with secondary ion mass spectrometry

Time-of-flight secondary ion mass spectrometry (ToF-SIMS) chemical mapping was used to investigate the order of deposition of natural latent fingerprints and laser printed ink on paper. This feasibility study shows that sodium, potassium and C₃H₅ positive ions were particularly abundant endogenous components of the natural fingerprints and also present in the paper examined, but were mostly absent in the laser printed ink. Mapping of these ions enables the observation of friction ridges from latent prints on the ink surface, only when a fingerprint was deposited above the layer of ink. As a demonstration of proof of concept, blind testing of 21 samples from three donors resulted in a 100% success rate. The sensitivity of this technique was investigated within this trial through the examination of up to fifth depletion fingerprints and ageing of up to 28 days. Migration of fingerprint and paper components to the ink surface, although observed with increased ageing time, was not found to compromise determination of the deposition sequence.     

Unfree labour and adverse incorporation in the global economy: comparative perspectives on Brazil and India

Abstract

The aim of this paper is to contribute to our understanding of unfree labour in the contemporary global economy, the processes by which it is generated, and its connections with poverty and vulnerability. I challenge dominant ‘residual’ views of unfree labour as either external to global economic activity or occurring solely within small-scale, localized or non-market contexts. Instead, I contend that unfree labour needs to be understood in ‘relational’ terms as a particular form of ‘adverse incorporation’ in the global economy. This form of adverse incorporation is constituted through the circular interaction between, on the one hand, the functioning of the global productive economy and associated labour markets, and, on the other, the social relations of poverty which give rise to vulnerability and to unfree labour. I draw throughout on original empirical research conducted on ‘slave labour’ in Brazilian agriculture and child labour in the Delhi garments sector.     

Identity,Culture and Democratization: The Case of Egypt

This article seeks to present an alternative approach to understanding the failure of democratization in the Arab world by locating the problem of democracy-building within the logic of the process of reproducing national identity and culture. The conceptual framework draws on the writings of Antonio Gramsci and postcolonial theorists such as Edward Said. Taking Egypt as a case study, I examine a series of events surrounding a human rights report about police brutality in Egypt to illustrate how the struggle to reproduce Egyptian national identity impacts upon the practice of democracy. In the course of searching for an “authentic” Egyptian identity, uncorrupted by Western influences, a critical mass of Egyptian civil society participates in producing a political consensus in which civil and political freedoms may be legitimately sacrificed in the name of national unity and security. This is despite attempts by some Egyptian activists to challenge dominant conceptions of national identity and culture in order to open up democratic spaces.     

Direct amplification of STRs from blood or buccal cell samples

Forensic databasing laboratories routinely analyze blood or buccal cell samples deposited on FTA^® paper. Prior to PCR amplification of the STRs, the FTA^® samples must undergo multi-step sample purification protocols to remove the PCR inhibitors present within the sample and from the FTA^® paper. The multi-step sample purification protocols are laborious, time-consuming and increase the potential for sample cross-contamination.To eliminate the need for DNA purification, we conducted studies to optimize the PCR buffer and thermal cycling parameters to allow for direct amplification of STRs from blood or buccal samples on FTA^® paper. We evaluated the effect of various factors on the DNA profile including: FTA^® disc size, blood sample load variation, and buffer formulation. The new STR assay enables the direct amplification of DNA from single source samples on FTA^® discs without sample purification. The new STR assay improves the workflow by eliminating tedious steps and minimizing sample handling. Furthermore, the new STR assay reduces cost by eliminating the need for purification reagents and expensive robots.     

In Search of the Responsible Subject: History, Philosophy and Social Sciences in Criminal Law Theory

This paper examines the way in which English criminal law's conception of responsibility has changed since the eighteenth century, and explores the relationship between changes in legal framework, changes in processes of criminalisation and punishment, and broader social, political and economic changes. It argues that the development of ideas of individual responsibility for crime are responses to problems of co-ordination and legitimation faced by systems of criminal law, and that these problems can be expected to change according to the environment in which the system operates, with important factors including the distribution of political interests and economic power; the prevailing cultural and intellectual environment; the organisation and status of relevant professional groups and the vigour of alternative means of social ordering. Substantively, the paper explores the hypothesis that criminal responsibility has shifted from a conception founded in ideas of character to a capacity-based conception over the relevant period. Methodologically, the aim is to historicise the structure as well as the content of criminal law within a socio-theoretic framework, constructing a dialogue between criminal law theory of a doctrinal and philosophical temper and socio-historical studies of criminal justice.     

Investigating Sub-groups of Harassers: The Roles of Attachment,Dependency, Jealousy and Aggression

The study aimed to classify non-harassers, minor, and severe harassers based on responses to measures of jealousy, dependency, attachment, perpetration, and victimization of relationship aggression, and harassment victimization, in a convenience sample of undergraduate students. Respondents (n = 177) replied on the following scales: Unwanted Pursuit Behaviors Inventory (UPBI: Langhinrichsen-Rohling et al., Violence and Victims 15:73–89, 2000), Conflict Tactics Scale (CTS: Straus, Journal of Marriage and the Family 41:75–88, 1979, measuring physical and verbal aggression for respondents and their partners), Sexual Jealousy Scale (SJS: Nannini and Meyers, The Journal of Sex Research 37:117–122, 2000), Interpersonal Dependency Inventory (IDI: Hirschfeld et al., Journal of Personality Assessment 41:610–618, 1997), and the Relationship Questionnaire (RQ: Bartholomew and Horowitz, Journal of Personality and Social Psychology 61:226–244, 1991, measuring adult attachment). Discriminant Function Analysis (DFA), with responses to these measures entered as predictors, produced significant differences between the groups in the univariate results on measures of: preoccupied attachment, jealousy, emotional reliance, verbal aggression and harassment victimization, and physical aggression perpetration. The functions identified by the DFA correctly classified 61% of cases, and identified the important roles of jealousy, dependency, attachment, and relationship aggression in harassment. Differing responses to the measurement of these can theoretically distinguish between non-, minor, and severe harassers.