فصلنامه مطالعات پیشگیری از جرم
پیاپی 68 (پاییز 1402)

Background& The spread of crimes related to emerging psychoactive substances and the change in the patterns of consumption , the fight and prevention of this issue have faced many problems and there is a need to identify preventive methods, a comprehensive model for Management of relevant crimes was designed. The present research was conducted with the aim of identifying ways to prevent crimes related to emerging psychoactive substances. The current research was exploratory and mixed type of research. The participants of the qualitative part of the research included 13 experts and specialists in fighting crimes related to emerging psychoactive substances, and the statistical population of the quantitative part also included all the officers and police chiefs of the anti-narcotics centers of Greater Tehran, totaling 88 people, who used According to Cochran's formula, 72 people were selected as members of the statistical sample of the research using the stratified random sampling method. It led to the identification of preventive methods in the form of 4 comprehensive themes, 10 organizing themes and 40 basic themes. 1- Focusing on the field of investigations and education, 2- Focusing on the field of laws, 3- Focusing on the field of confrontation and 4- Focusing on religious values and cultural functions were introduced as dimensions of prevention of crimes related to emerging psychoactive substances. It showed that the identified methods have sufficient validity and can be used in the process of preventing crimes related to emerging psychoactive substances.

This study aimed to identify and identify the main and key obstacles and problems of police stations and checkpoints in the optimal implementation of organizational mission and also to identify the causes and factors affecting the occurrence and emergence of these barriers. This study was conducted in terms of purpose, applied and nature with qualitative approach and qualitative content analysis method. Through semi-structured interviews, barriers were investigated and then extracted and analyzed by coding, analyzing and analyzing the content of experts' opinions, concepts and dimensions related to the subject. The statistical community of this study is 16 experts and experts from faraja to theoretical saturation. This study was identified in two axes including the most serious barriers, dissatisfaction and problems (first axis) and the causes and factors affecting the occurrence and emergence of existing barriers and problems (second axis). Lack of force and equipment in accordance with the approved structure and lack of credit allocation and existence of work barriers and lack of systematic interaction within the organization, preventing the development of performance in order to prevent and discover targeted and the most important obstacles are: Dissatisfaction of some employees working in police stations and police stations about the environment and service situation, people's dissatisfaction with the performance of police stations and checkpoints, delays in carrying out organizational missions, inconsistency between coups and judicial departments, and weakness in decisive treatment of law-breaking individuals that have had a negative impact on advancing organizational goals.

Context and Police patrols are the communication link between the people and the police, , behavior, treatment and performance of a police patrol officer. and other elements of the patrol unit judge the whole organization. The present study was conducted with the aim of investigating internal organizational factors affecting the success of police station patrols in preventing car theft in the second and fifth police stations of Fateb 1401.Research according to the value of the correlation coefficient (r2=0.881), motivation level, (r2=0.732), training method, (r2=0.805) and organizational structure, there is a significant positive relationship with the success of patrols in preventing the crime of car theft. Organizational factors affecting the success of the police patrol in preventing theft based on the regression equation include:Y=641+310 (level of motivation) + (organizational structure)248.+(methodof education) 420. According to the regression equation, the greatest effect of the patrols' success in preventing the crime of car theft includes: the variables of the training method, the level of motivation and the organizational structure, which means that by improving one unit of the model variables, respectively, the variables of the training method ( 0.420 units), the level of motivation (0.310 units) and organizational structure (0.248 units) will have the greatest effect on the success of patrols in preventing car theft crimes, and solutions were suggested for the success of police patrols in preventing car thefts in the second and fifth police stations of Fateb.

The phenomenon of theft as a criminal act is one of the major problems of human societies, and the police has always been looking for a way to provide a targeted solution by recognizing the effective measures in the field of theft prevention, therefore identifying theft prevention solutions with applied studies. It can have positive effects on police performance.In this research, a descriptive survey method has been used. The statistical population of this research is all the managers and employees of East Tehran Police Command in the number of 555 people who were randomly selected using the Cochran 145 formula. Considering the nature of the subject, a researcher-made questionnaire was used to measure the research variables, and its validity was calculated using the content method and its reliability was calculated using Cronbach's alpha 0.87. For data analysis, descriptive and inferential statistics indicators such as; Average, Kalmograf-Smirnov test, Chi-square test and Friedman test were used.The findings showed that the methods of preventing the theft of vehicles based on increasing the effort required to commit the crime, etc., were recognized as the most important methods of preventing the situation.Therefore, since the mentioned methods cause actual crime prevention, planning and educational designs of families by the institutions in charge, correct urban designs and more coherence to police control measures with Equipping manpower and sufficient facilities for crimeSituational prevention is one of the necessary ways to prevent crime and it causes the deactivation of crime hotspots.

The realization of the goals of any organization depends on having a suitable organizational structure. This research was done with the aim of knowing the effect of organizational structure on crime prevention.

The research is applied in terms of purpose and descriptive-survey based on the data collection method. The statistical population of the present study consists of all commanders and staff with bachelor's degrees and above in the police of Greater Tehran, numbering 638 people. From this number, Simple was distributed among the sample population. The validity of the research instrument was evaluated and confirmed by the face validity and reliability of the research instrument from Cronbach's alpha coefficient. SPSS software was used to analyze the data.

The test results of research hypotheses using univariate regression correlation coefficient showed; The dimensions of the independent research variable are; Specialize فعال activity (r = 0.310); Standardization of activities (r = 0.276); Coordinate activity (r = 0.288); Decentralization of decision making (r = 0.342); The size of the work unit (r = 0.259) as well as the independent variable "organizational structure of police stations and checkpoints" (r = 0.288) have a significant effect on crime prevention.

Background and The establishment of public security in society requires the creation of appropriate platforms in the form of strengthening protective factors and eliminating risk factors, in this regard, crime prevention is one of the ways to achieve public security, so the purpose of this research Measuring the impact of crime prevention on public security.Research The research is applied in terms of purpose and descriptive-survey in terms of its nature and method, data collection using library documents and a questionnaire, the validity and reliability of which was calculated using experts' opinions and Cronbach's alpha coefficient test. The research was carried out on the number of 96 law enforcement and security experts with experience in security issues and experts in prevention in the country, and linear and multivariate regression was used for data analysis. The findings show that crime prevention includes, respectively, 1-institutional dimension; Police and criminal justice system, 2-material dimension including; Life, property and reputation of people and 3- mental dimension including; Public order and good morals of public security have the most influence. Planning for crime prevention by focusing and paying attention to the aspects of public security will double the success and authority of organizations in charge of crime prevention in the direction of producing and feeling of security in the society and will pave the way for other macro-planning of the country.

Background of the topic:

 urban space is not a soulless space like surrounded buildings, but living in a city with a variety of values ​​and ideas has attracted people from other places, with the physical and population expansion of cities, the number of crimes has also increased, which is one of the consequences. It is the urban anomalies of drug use and buying and selling crimes. Suitable urban furniture and use of city space will have a significant effect in this process.

In terms of the purpose of this research, it is applied, which was conducted with a descriptive-analytical method based on library information, official statistics, and the case of the case. The method of collecting data and information is the method of using statistics and official documents and visiting the places in person. Statistical Society In this research, the number of 491 judicial cases filed in the Anti-Narcotics Police of Lorestan Police Command regarding the crime of buying and selling drugs in Khorramabad city has been studied.

The results of the surveys conducted and the analyzes presented in connection with the distribution of the occurrence of petty crimes and the purchase, sale and consumption of drugs in different areas of Khorramabad city, it can be said that the necessity of optimizing urban furniture according to the textural characteristics of this city can increase while expanding the beauty of the city. The security factor and reducing the opportunity to commit crimes and increasing supervision will help