841 resultados para Law-enforcement agencies
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"December 1986."
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This study examines information collected on 18,381 convicted sex offenders in the Illinois sex offender database which is extracted from the Law Enforcement Agencies Data System (LEADS). Unless otherwise indicated, all data collected for this study is through November 30, 2003.
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A second major change mandates all law enforcement agencies to submit for analysis all criminal SA cases in their possession which had not previously been submitted to a forensic laboratory (Section 20 of the Act). To determine the impact of Section 20 on the forensic laboratories, the ISP established mechanisms for agencies to submit an inventory list of SA cases in their custody by October 15, 2010. The ISP then distributed each agency's list to the forensic laboratory to which the agency would normally submit cases. Each laboratory would then clarify information and resolve questions with the agency, as necessary. As of February 1, 2011, of the 999 law enforcement agency offices required to submit an inventory list to the ISP, 860 (or 86 percent) complied ... Based on the information from the compliant agencies, approximately 4,143 criminal SA cases are anticipated to be submitted pursuant to Section 20 of the Act.
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Issued November 1975.
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Entre os dias 6 e 8 de julho, a FGV/DAPP esteve presente no congresso anual da Sociedade Britânica de Criminologia (BSC, na sigla em inglês), realizada na cidade de Nottingham, na Inglaterra. A Diretoria foi representada pela pesquisadora Roberta Novis, que apresentou o trabalho “Open Source Intelligence and the use of social media by law enforcement agencies”, que abordou como as mídias sociais podem ajudar órgãos de segurança a manter contato com cidadãos de maneiras mais inovadoras e criativas e também ser usada para prevenção e investigação.
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In the past decade, the utilization of ambulance data to inform the prevalence of nonfatal heroin overdose has increased. These data can assist public health policymakers, law enforcement agencies, and health providers in planning and allocating resources. This study examined the 672 ambulance attendances at nonfatal heroin overdoses in Queensland, Australia, in 2000. Gender distribution showed a typical 70/30 male-to-female ratio. An equal number of persons with nonfatal heroin overdose were between 15 and 24 years of age and 25 and 34 years of age. Police were present in only 1 of 6 cases, and 28.1% of patients reported using drugs alone. Ambulance data are proving to be a valuable population-based resource for describing the incidence and characteristics of nonfatal heroin overdose episodes. Future studies could focus on the differences between nonfatal heroin overdose and fatal heroin overdose samples.
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Using the work and ideas of French theorist Michel Foucault the writer examines s 3LA of the Crimes Act, which provides law enforcement officers with power to compel a person to reveal their private encryption keys and other personal information, and concludes that such a section creates fear, redirects flow of power between law enforcement agencies and citizens, and creates resistance.
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Over the last few years governments, law enforcement agencies, and the media have noted increases of online harassment. Although there has been a great deal of research into 'offline stalking', at this moment in time there has been no formal research that attempts to classify cyberstalkers. This study aimed to identify a classification of cyberstalkers by interviewing victims. Twenty-four participants were interviewed and their responses logged on a 76-item Cyberstalking Incident Checklist. A typology of cyberstalkers was developed.
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Establishing an association between the scent a perpetrator left at a crime scene to the odor of the suspect of that crime is the basis for the use of human scent identification evidence in a court of law. Law enforcement agencies gather evidence through the collection of scent from the objects that a perpetrator may have handled during the execution of the criminal act. The collected scent evidence is consequently presented to the canines for identification line-up procedures with the apprehended suspects. Presently, canine scent identification is admitted as expert witness testimony, however, the accurate behavior of the dogs and the scent collection methods used are often challenged by the court system. The primary focus of this research project entailed an evaluation of contact and non-contact scent collection techniques with an emphasis on the optimization of collection materials of different fiber chemistries to evaluate the chemical odor profiles obtained using varying environment conditions to provide a better scientific understanding of human scent as a discriminative tool in the identification of suspects. The collection of hand odor from female and male subjects through both contact and non-contact sampling approaches yielded new insights into the types of VOCs collected when different materials are utilized, which had never been instrumentally performed. Furthermore, the collected scent mass was shown to be obtained in the highest amounts for both gender hand odor samples on cotton sorbent materials. Compared to non-contact sampling, the contact sampling methods yielded a higher number of volatiles, an enhancement of up to 3 times, as well as a higher scent mass than non-contact methods by more than an order of magnitude. The evaluation of the STU-100 as a non-contact methodology highlighted strong instrumental drawbacks that need to be targeted for enhanced scientific validation of current field practices. These results demonstrated that an individual's human scent components vary considerably depending on the method used to collect scent from the same body region. This study demonstrated the importance of collection medium selection as well as the collection method employed in providing a reproducible human scent sample that can be used to differentiate individuals.
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Human scent and human remains detection canines are used to locate living or deceased humans under many circumstances. Human scent canines locate individual humans on the basis of their unique scent profile, while human remains detection canines locate the general scent of decomposing human remains. Scent evidence is often collected by law enforcement agencies using a Scent Transfer Unit, a dynamic headspace concentration device. The goals of this research were to evaluate the STU-100 for the collection of human scent samples, and to apply this method to the collection of living and deceased human samples, and to the creation of canine training aids. The airflow rate and collection material used with the STU-100 were evaluated using a novel scent delivery method. Controlled Odor Mimic Permeation Systems were created containing representative standard compounds delivered at known rates, improving the reproducibility of optimization experiments. Flow rates and collection materials were compared. Higher air flow rates usually yielded significantly less total volatile compounds due to compound breakthrough through the collection material. Collection from polymer and cellulose-based materials demonstrated that the molecular backbone of the material is a factor in the trapping and releasing of compounds. The weave of the material also affects compound collection, as those materials with a tighter weave demonstrated enhanced collection efficiencies. Using the optimized method, volatiles were efficiently collected from living and deceased humans. Replicates of the living human samples showed good reproducibility; however, the odor profiles from individuals were not always distinguishable from one another. Analysis of the human remains samples revealed similarity in the type and ratio of compounds. Two types of prototype training aids were developed utilizing combinations of pure compounds as well as volatiles from actual human samples concentrated onto sorbents, which were subsequently used in field tests. The pseudo scent aids had moderate success in field tests, and the Odor pad aids had significant success. This research demonstrates that the STU-100 is a valuable tool for dog handlers and as a field instrument; however, modifications are warranted in order to improve its performance as a method for instrumental detection.
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SmartWater is a chemical taggant used as a crime deterrent. The chemical taggant is a colorless liquid that fluoresces yellow under ultra-violet (UV) light and contains distinctive, identifiable and traceable elemental composition. For instance, upon a break and entry scenario, the burglar is sprayed with a solution that has an elemental signature custom-made to a specific location. The residues of this taggant persist on skin and other objects and can be easily recovered for further analysis. The product has been effectively used in Europe as a crime deterrent and has been recently introduced in South Florida. In 2014, Fourt Lauderdale Police Department reported the use of SmartWater products with a reduction in burglaries of 14% [1]. The International Forensic Research Institute (IFRI) at FIU validated the scientific foundation of the methods of recovery and analysis of these chemical tagging systems using LA-ICP-MS. Analytical figures of merit of the method such as precision, accuracy, limits of detection, linearity and selectivity are reported in this study. Moreover, blind samples were analyzed by LA-ICP-MS to compare the chemical signatures to the company’s database and evaluate error rates and the accuracy of the method. This study demonstrated that LA-ICP-MS could be used to effectively detect these traceable taggants to assist law enforcement agencies in the United States with cases involving transfer of these forensic coding systems.
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Thesis (Master's)--University of Washington, 2016-08
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O objetivo da simulação é confrontar os instruendos com situações que permitam recriar as condições mais próximas da realidade, para que o processo de aprendizagem possa atingir os objetivos da formação. As polícias estrangeiras já utilizam simuladores nas áreas do ensino da condução, tiro, inativação de engenhos explosivos e fiscalização rodoviária. Cada equipamento ensina e desenvolve as capacidades dos agentes policiais, que por sua vez, contribui para a promoção da eficácia policial. Este estudo estabelece a ligação entre os conceitos de simulação e de formação no sentido de tentar desenvolver as linhas orientadoras da formação policial da GNR com recurso à simulação. Abstract: The intent of simulations is to immerse trainees in situations wich provide to recreate conditions similar to reality, for the purpose that the training process would reach training objectives. Law enforcement agencies abroad already use simulators for driver training, shooting, explosive ordinance disposal and road and transport enforcement. Each equipment teaches and enhance skills of individual officers which, in turn, will contribute to promote police effectiveness. This study aims to link the concepts of simulation and training in order to develop the guidelines of the GNR police training using simulators.
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"Mémoire présenté à la Faculté des études supérieures en vue de l'obtention du grade de maîtrise en droit, option recherche"
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Journal of Energy and Natural Resources Law, 24(4) pp.574-606 RAE2008