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P. Gill C.H. Brenner J.S. Buckleton A. Carracedo M. Krawczak W.R. Mayr N. Morling M. Prinz P.M. Schneider B.S. Weir 《Forensic Science International Supplement Series》2006,160(2-3):90-101
The DNA commission of the International Society of Forensic Genetics (ISFG) was convened at the 21st congress of the International Society for Forensic Genetics held between 13 and 17 September in the Azores, Portugal. The purpose of the group was to agree on guidelines to encourage best practice that can be universally applied to assist with mixture interpretation. In addition the commission was tasked to provide guidance on low copy number (LCN) reporting. Our discussions have highlighted a significant need for continuing education and research into this area. We have attempted to present a consensus from experts but to be practical we do not claim to have conveyed a clear vision in every respect in this difficult subject. For this reason, we propose to allow a period of time for feedback and reflection by the scientific community. Then the DNA commission will meet again to consider further recommendations. 相似文献
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Charlotte Murphy Ph.D. June Kenna M.Sc. Lorna Flanagan Ph.D. Marce Lee Gorman B.Sc. Clara Boland Ph.D. Jennifer Ryan Ph.D. 《Journal of forensic sciences》2020,65(2):399-405
This study is the first to examine the background level of male DNA on underpants worn by females in the absence of sexual contact. Here, we examined 103 samples from the inside front of underpants from 85 female volunteers. Samples were examined for the presence of male DNA using NGM SElect and PowerPlex Y23 kits. Only five samples gave a “complete” Y-STR profile, even though 83.5% of our volunteers cohabited with a male. In all cases where a partner reference sample was available, the Y-STR profile matched the cohabiting partner. We have demonstrated that a Y-STR profile is not expected on the inside front of underpants worn by females after social contact alone. The results of this study are informative for evaluating the significance of a Y-STR profile on underpants in cases of alleged sexual assault. 相似文献
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Lorna Grant 《Police Practice and Research》2020,21(4):368-382
ABSTRACT Procedural justice theory plays a central role in understanding police–citizen relationships. To test the universality of procedural justice theory, researchers have tended to assess the relative impacts of normative and instrumental models of policing in different geopolitical contexts. Building on Reisig and Lloyd’s study in Jamaica, we test in the current study the relative impacts of procedural justice (a normative factor) and police effectiveness and risk of sanctioning (instrumental factors) on Jamaicans’ obligation to obey the police and willingness to cooperate with police. We found that procedural justice predicted both obligation to obey and cooperation, although obligation did not predict cooperation. And while effectiveness predicted obligation, it was not significantly related to cooperation. Lastly, older citizens were more willing to cooperate with police. The study’s implications for policy and future research are discussed. 相似文献
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Amanda B. Hepler Bruce S. Weir 《Forensic Science International: Genetics Supplement Series》2008,2(3):166-175
This study extends the current use of Bayesian networks by incorporating the effects of allelic dependencies in paternity calculations. The use of object-oriented networks greatly simplify the process of building and interpreting forensic identification models, allowing researchers to solve new, more complex problems. We explore two paternity examples: the most common scenario where DNA evidence is available from the alleged father, the mother and the child; a more complex case where DNA is not available from the alleged father, but is available from the alleged father’s brother. Object-oriented networks are built, using HUGIN, for each example which incorporate the effects of allelic dependence caused by evolutionary relatedness. 相似文献
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