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Klaus-Gert Lutterbeck Armin Schäfer Andreas Heyer Christian Kaiser Helga Haftendorn Sandra Seubert Christian Bala Ralf J. Leiteritz Frank Dietrich Christian Brütt Christian Reisinger Alexander Warkotsch Mandana Biegi Burkhard Conrad Christian Stecker 《Politische Vierteljahresschrift》2009,50(2):327-363
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Despite the volume of time officers spend on traffic enforcement encounters, there was limited research exploring how they used their discretion in such interactions. Issues relating to police decision making patterns in the enforcement of motor vehicle laws were particularly salient in light of the on-going debate over racial profiling. This study examined how officers made decisions (in particular, to stop and to sanction) in the course of traffic enforcement. Using field observations and interviews with officers in a small midwestern agency, the authors described the factors and forces that officers used in making discretionary choices. The findings indicated that leniency in sanctioning was very common and that officers expected citizens to be contrite and acknowledge responsibility for their infractions. Implications for larger and more systematic observational studies are discussed. 相似文献
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Kirschbaum KM Musshoff F Wilbert A Röhrich J Madea B 《Forensic science international》2011,207(1-3):66-69
In 2009 cutoff values of assessment criteria to testify abstinence control in order to estimate driving ability were standardized in Germany. The cutoff values are lower than required in existing guidelines like SAMHSA and there is critical discussion about detection of low concentrations by using immunoassay, especially concerning amphetamines in urine (50 ng/ml). In this study Direct ELISA kits were tested for their applicability to identify the absence of amphetamines, cannabinoids, opiates, cocaine, methadone and benzodiazepines in urine. Results were confirmed by LC/MS or GC/MS analyses. Sensitivity, specificity, predictive values (positive as well as negative) and overall misclassification rates were evaluated by contingency tables and were compared to ROC-analyses. Sensitivity results as well as specificity results were satisfying showing sensitivity values higher than 96% for each analyte. The amphetamine test we used showed sensitivity and specificity of 100% and 88%, respectively, even if amphetamine tests usually react with high cross-reactivity. Our study results include high discrimination at required cutoff values between positives and negatives for each drug group and demonstrate that immunological tests complying with requirements of current decreased urine cutoff values for assessment of driving ability do exist. 相似文献
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DNA extraction from and DNA typing of fresh water-exposed aged bone specimens poses a challenging task and is not very well examined. This study presents a new method to extract typable DNA from such problematic bone specimens. The procedure comprises low-heat drilling and cryogrinding, mild lysis conditions, and silica-column-based DNA cleaning. DNA quantity is assessed by quantitative PCR prior to short tandem repeat (STR) amplification. The procedure was employed with a 67-year-old tibia bone fragment recovered from a fresh water lake and succeeded to produce a full STR profile using the MPX-SP1 and MPX-SP2 mini-STR kits and a partial profile with 12 successfully amplified STRs using the Identifiler STR kit. The new method for the extraction of DNA from aged fresh water-exposed bone specimens presented herein was successfully applied to prepare DNA of sufficient quality and quantity to generate a full STR profile. 相似文献
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Using analogies from research in simulation and artificial societies and borrowing from Weinrib's Philosophy of Private Law, we show how a "private law" model of law and legal integration does not need to presuppose the state as a regulatory framework. Rather, the state emerges as a "second order property" from the private law interaction of individuals. We apply this to the debate about harmonisation in Europe. We show how a form of unity in diversity can be built up starting with such individual interactions, extended later to interactions between member states. But this does not need to end up in an individualistic and neo-liberal model, as in Weinrib, if we understand the underlying exchange relation in terms of Wilhelmsson's social contract law. 相似文献
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A 45-year-old homeless woman was found dead at her usual sleeping place. Apart from traces of blood on the lower abdomen of the body, the police investigations did not produce any clues pointing to an unnatural death. At autopsy, it was found, however, that death had been caused by extensive disruptions of the intestine. After being confronted with the results, the sexual partner of the victim admitted manual anal penetration, but claimed that this had been done by mutual agreement. The court did not accept that statement and sentenced him to life imprisonment for murder. The frequency of such fatal outcomes of anal penetration, the relationship between the perpetrator and the victim and the special features at the scene are discussed. 相似文献
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