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141.
A case of suicidal ingestion of hydrofluoric acid is presented. Death of the victim while in police custody was one of the more unique aspects of the case. This is the sixth case of poisoning of this type reported in Dade County. Clinical, pathological, and toxicological aspects of fluoride poisoning are discussed. 相似文献
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143.
Foley PF Hartman BW Dunn AB Smith JE Goldberg DM 《International journal of offender therapy and comparative criminology》2002,46(3):364-378
Self-report instruments can provide useful information as part of a thorough clinical assessment. However, their use in forensic settings can be problematic. The State-Trait Anger Expression Inventory (STAXI) has recently been proposed as an effective instrument for screening and outcome measurement in anger management programs. This study evaluated the effectiveness of this instrument in a sample of both voluntary and court-ordered anger-management clients, all of whom were determined through diagnostic interviews to have significant anger problems. Contrary to findings in nonforensic samples, the STAXI Trait Anger scale identified only about half of the participants as having anger-management problems severe enough to require intervention. Supplemental analysis with two additional scales did not significantly improve sensitivity. In addition to thorough diagnostic interviewing, forensic use of the STAXI (like similar assessment methods) may require additional validity scales to detect denial or socially desirable response patterns. 相似文献
144.
Kevin Mark Dunn Michael Kennedy Jan A. Ali John O’Reilly Lindsay Rogerson 《Police Practice and Research》2016,17(3):196-211
A contested question in the international policing literature is whether it is possible to undertake effective anti-terrorism community policing. The NSW Police Force’s Counter Radicalisation Strategy involved a community engagement initiative that used community liaison officers, mostly working with Sydney Muslim communities. This study reviews the success of this initiative, drawing on data from a survey of Sydney Muslims. The community engagement initiative was found to have direct contact with the community, it was public, and it involved aspects of partnership and relations of depth. For these reasons, the initiative was within the community policing paradigm. There was strong community awareness of the programme, and a majority saw it as successful. There remained pockets of community suspicion and critique, which require attention. The respondents recommended an enhancement of the community policing aspects: more (and wider) contact, visibility and partnership. The findings affirm the utility of community policing for counter-terror work. 相似文献
145.
We define "dual fingerprint reagents" as chemical formulations that produce with latent fingerprints in one stage impressions that are both colored and fluorescent. Solutions containing ninhydrin and group IIb metal salts appear to be true dual reagents. Application of these formulations to latent fingerprints on paper is as efficient as the two-step process beginning with ninhydrin and followed by treatment with metal salt. In the color mode, fingerprint detectability with the two ninhydrin-metal salt reagents (one with zinc chloride and the other with cadmium chloride) is comparable with that of ninhydrin itself, in spite of the difference in color. The sensitivity is significantly higher in the fluorescence mode. To view the latent impressions the exhibits are treated with ninhydrin-metal salt reagents and observed under white light illumination and under fluorescence conditions. Cooling to liquid nitrogen temperature enhances the fluorescence considerably. In the shorter wavelength domain, ninhydrin-metal salt reagents exhibit higher sensitivity than the recently reported dual reagent, genipin. The latter is advantageous, however, in the longer wavelength domain, on paper items with strong self-fluorescence, such as brown wrapping paper or paper printed with fluorescent ink. Upon reduction of the ninhydrin concentration 10-fold, ninhydrin-metal salt formulations become purely fluorogenic reagents; no color is noticed but the fluorescence is as intense as with concentrated solutions. Working at lower concentrations is an advantage from ecological and economical viewpoints. 相似文献
146.
Philip J.H. Dunn Sarah Hill Simon Cowen Heidi Goenaga-Infante Mike Sargent Ahmet Ceyhan Gören Mine Bilsel Adnan Şimşek Nives Ogrinc Doris Potočnik Paul Armishaw Lu Hai Leonid Konopelko Yan Chubchenko Lesley A. Chesson Gerard van der Peijl Cornelia Blaga Robert Posey Sadia A. Chowdhury 《Science & justice》2019,59(1):9-19
Forensic application of carbon isotope ratio measurements of honey and honey protein to investigate the degree of adulteration with high fructose corn syrup or other C4 plant sugars is well established. These measurements must use methods that exhibit suitable performance criteria, particularly with regard to measurement uncertainty and traceability – low levels of adulteration can only be detected by methods that result in suitably small measurement uncertainties such that differences of 1‰ or less can be reliably detected. Inter-laboratory exercises are invaluable to assess the state-of-the art of measurement capabilities of laboratories necessary to achieve such performance criteria. National and designated metrology institutes from a number of countries recently participated in an inter-laboratory assessment (CCQM-K140) of stable carbon isotope ratio determination of bulk honey. The same sample material was distributed to a number of forensic isotope analysis laboratories that could not participate directly in the metrological comparison. The results from these studies have demonstrated that the majority of participants provided isotope delta values with acceptable performance metrics; that all participants ensured traceability of their results; and that where measurement uncertainties were reported; these were fit-for-purpose. A number of the forensic laboratories only reported precision rather than full estimates of measurement uncertainty and this was the major cause of the few instances of questionable performance metrics. Reporting of standard deviations in place of measurement uncertainties is common practice outside metrology institutes and the implications for interpretations of small differences in isotopic compositions are discussed. The results have also highlighted a number of considerations that are useful for organisers of similar inter-laboratory studies in the future. 相似文献