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171.
Ray DA Walker JA Hall A Llewellyn B Ballantyne J Christian AT Turteltaub K Batzer MA 《Forensic science international》2005,153(2-3):117-124
The inference of an individual's geographic ancestry or origin can be critical in narrowing the field of potential suspects in a criminal investigation. Most current technologies rely on single nucleotide polymorphism (SNP) genotypes to accomplish this task. However, SNPs can introduce homoplasy into an analysis since they can be identical-by-state. We introduce the use of insertion polymorphisms based on short interspersed elements (SINEs) as a potential alternative to SNPs. SINE polymorphisms are identical-by-descent, essentially homoplasy-free, and inexpensive to genotype using a variety of approaches. Herein, we present results of a blind study using 100 Alu insertion polymorphisms to infer the geographic ancestry of 18 unknown individuals from a variety of geographic locations. Using a Structure analysis of the Alu insertion polymorphism-based genotypes, we were able to correctly infer the geographic affiliation of all 18 unknown human individuals with high levels of confidence. This technique to infer the geographic affiliation of unknown human DNA samples will be a useful tool in forensic genomics. 相似文献
172.
Ashley T. Rubin 《Law & society review》2015,49(2):365-400
Interest in legal innovations, particularly in the criminal law realm, often centers on an innovation's emergence, but not its subsequent diffusion. Typifying this trend, existing accounts of the prison's historical roots persuasively explain the prison's “birth” in Jacksonian‐Era northern coastal cities, but not its subsequent rapid, widespread, and homogenous diffusion across a culturally, politically, and economically diverse terrain. Instead, this study offers a neo‐institutional account of the prison's diffusion, emphasizing the importance of national, field‐level pressures rather than local, contextual factors. This study distinguishes between the prison's innovation and early adoption, which can be explained by the need to replace earlier proto‐prisons, and its subsequent adoption, particularly in the South and frontier states, which was driven by the desire to conform to increasingly widespread practices. This study further attributes the isomorphic nature of the diffusion to institutional pressures, including uncertainty surrounding the new technology, pseudoprofessional penal reformers and their claims about competing models of confinement, and contingent historical factors that reinforced these institutional pressures. This study illustrates the importance of distinguishing between the motivations that initiate criminal law innovations and those that advance their diffusion. 相似文献
173.
As highly polymorphic DNA markers become increasingly available for a wide range of plant and animal species, there will be increasing opportunities for applications to forensic investigations. To date, however, relatively few studies have reported using DNA profiles of non-human species to place suspects at or near crime scenes. Here we describe an investigation of a double homicide of a female and her near-term fetus. Leaf material taken from a suspect's vehicle was identified to be that of sand live oak, Quercus geminata, the same tree species that occurred near a shallow grave where the victims were found. Quercus-specific DNA microsatellites were used to genotype both dried and fresh material from trees located near the burial site and from the material taken from the suspect's car. Samples from the local population of Q. geminata were also collected and genotyped in order to demonstrate that genetic variation at four microsatellite loci was sufficient to assign leaves to an individual tree with high statistical certainty. The cumulative average probability of identity for these four loci was 2.06x10(-6). DNA was successfully obtained from the dried leaf material although PCR amplification was more difficult than amplification of DNA from fresh leaves. The DNA profiles of the dried leaves from the suspect's car did not match those of the trees near the crime scene. Although this investigation did not provide evidence that could be used against the suspect, it does demonstrate the potential for plant microsatellite markers providing physical evidence that links plant materials to live plants at or near crime scenes. 相似文献
174.
Daniel P. Mears Eric A. Stewart Patricia Y. Warren Miltonette O. Craig Ashley N. Arnio 《Law & society review》2019,53(2):487-517
This article examines the legacy of lynchings on contemporary whites' views of blacks as criminal threats. To this end, it draws on prior literature on racial animus to demonstrate the sustained influence of lynching on contemporary America. We hypothesize that one long‐standing legacy of lynchings is its influence in shaping views about blacks as criminals and, in particular, as a group that poses a criminal threat to whites. In addition, we hypothesize that this effect will be greater among whites who live in areas in America where socioeconomic disadvantage and political conservatism are greater. Results of multilevel analyses of lynching and survey data on whites' views toward blacks support the hypotheses. In turn, they underscore the salience of understanding historical forces, including the legacy of lynchings that influence contemporary views of blacks, criminals, and punishment policies. 相似文献
175.
In response to the increasing numbers of mentally ill persons placed under the care of correctional institutions, community-based diversion programs have been established to address the unique needs and challenges of this vulnerable population. Given that legal personnel may serve as gatekeepers in placement decisions, and the lack of existing research examining their attitudes toward offenders with mental illness, the present study aimed to evaluate perceptions of dangerousness and treatment need among a sample of judges, prosecutors, and public defenders across the state of Mississippi. While controlling for age, results of a factorial MANCOVA revealed that public defenders, relative to both judges and prosecutors, endorsed more compassionate attitudes about defendants with mental illnesses. Furthermore, political ideology did not significantly influence attitudes toward mentally ill offenders. While judges and prosecutors endorsed more negative stereotypes about mental illness and perceived mentally ill defendants as a greater risk to the community, mean scores across groups suggested moderately positive attitudes overall. Study limitations, implications for correctional mental health providers, and directions for future research are discussed. 相似文献
176.
Erin C. Siebert David G. Stewart Emily M. Hu Ashley C. Estoup Erin G. Underbrink 《Journal of school violence》2018,17(2):180-193
Our aim was to test the hypothesized relationships between trauma exposure and alcohol-related problems, mediated by PTS symptoms, moderated by prior trauma exposure and help-seeking. Participants were 244 members of a private university who were enrolled or employed at the school on the date of a campus shooting. Online measures were distributed via e-mail in October 2014, and included the AUDIT, BTQ, PCL-5, and self-report measures of trauma exposure and counseling services utilized. The overall moderated mediation model examining the indirect effect of exposure to trauma on alcohol-related problems through PTSD symptoms, moderated by prior trauma and help seeking was significant, β(SE) = .310(.3554), p = .0001. This study highlights the importance of crisis interventions following trauma exposure. 相似文献
177.