فصلنامه پژوهش های اطلاعاتی و جنایی
سال هجدهم شماره 1 (پیاپی 69، بهار 1402)

In this regard, this research seeks to answer these questions: What is the pattern of the underlying factors of the sense of social security of the citizens of Tehran according to the news of recent violent events

In terms of purpose, the present research is applied, from the point of view of the nature of the data, it is mixed or mixed (qualitative and quantitative). In the qualitative part, semi-structured interviews with 15 experts related to the issue of dealing with violent crimes within the Faraja organization in Tehran and professors, elites and intellectuals related to the issue outside Naja were used in a targeted manner until theoretical saturation was reached. Survey method was used in the quantitative part. In the quantitative part, the statistical population including all the citizens of Tehran using Cochran's formula, 535 people were selected by cluster and stratified sampling method and the questionnaire was distributed among them. Then, in order to finalize and verify the dimensions, components and indicators of the model, the content method was used in the qualitative part.

The research findings in the qualitative part showed that the areas of insecurity can be divided into four areas: life, moral and psychological, financial and honor. Also, the results of the research in the quantitative section showed that 54% of the respondents feel insecure in the moral and psychological field, 52% in the financial field, 43% in the honor field and 34% in the personal field.

Increasing heavy punishments such as execution and retribution, deprivation of social privileges, increasing cash crimes and conducting extensive and targeted psychological operations in the media and social networks from the measures taken in order to deter and reduce crimes and violent events can increase the sense of security in the society.

Considering the advantages of the community-based approach and its necessity for the movement of any society towards development on the one hand and the importance of the fight against drugs on the other hand, the present study aims to design a community-based model to implement anti-narcotics policies.

This research is based on qualitative and quantitative researches which are applied in terms of purpose and in terms of nature and method are among the exploratory researches. The statistical population of both stages was determined to be 22 people using snowball sampling method. The data collection tool is in the qualitative stage of the interview, which uses the method of content analysis and Atlas software. ti The data for this step was analyzed. In the quantitative stage, the data collection tool was a questionnaire, the data of which were analyzed in order to explore the network of cause and effect relationships of each subject using the interpretive structural method.

The results of qualitative analysis of research themes included Were analyzed whit structural and interpretive approach anf 15 general themes that were leveled at 6 levels

According to the results attention to the effective It is necessary.

The police in the Iranian legal system have the right to arrest and monitor individuals, exceptionally and under certain conditions. The purpose of this study is the effect of the requirements of the implementation of the Criminal Procedure Code adopted in 1392 on bailiffs in respecting the rights of the supervised person.

This research is based on quantitative nature, in terms of application and using descriptive-survey method. The statistical population includes 384 members of the community of lawyers, bailiffs, judicial officials in Tehran who are randomly selected and the t-test, Klomogorov-Smirinov and Friedman tests are used for analysis.

The supervised person's access to means of communication with the average 2.81 below the average and at a low level, the supervised person's knowledge of their rights with an average of 3.63 above the average and at a high level and the supervised person's access to medical examination with an average of 22 / 4 is too mediocre and highly rated.

Due to the lack of infrastructure for the implementation of due process, the rights of the supervised persons in access to means of communication, medical examination and information about their rights, bailiffs under the pretext of high volume of missions, lack of timely detection, length of proceedings, deviation The possibility of an effective confrontation with crime, have not obeyed the law well. In this regard, focusing on training law enforcement and legal knowledge and controlling and monitoring the behavior of officers to minimize violations of the rights of persons under surveillance, should be on their agenda.

The purpose of the current research is to conduct a meta-analysis of the studies conducted on the use of block chain technology in Law enforcement agencies based on the main mission areas of such institutions. The current research is based on the qualitative method and was planned and implemented in the form of two independent steps. In the first stage, in order to identify and analyze the applications of block chain technology in law enforcement organizations, a set of resources published in Latin databases were identified and collected. In the first step, the results of the research led to the review and analysis of a number of articles from scientific journals and international conferences (63 selected articles). In the second stage of the current research, the meta-analysis of the studies obtained from the first step, based on 6 indicators of irrefutability, authenticity, immutability, authentication, anonymity and scalability, was carried out using MAXQDA software. The results of the meta-analysis led to the identification of a tree of 32 types of block chain applications in the police and law enforcement fields, the highest amount of use is related to the authentication of police data management, the immutability of police and law enforcement data management, and the verification of the authenticity of police and law enforcement data management with 19 percent. Due to the differences in the mission of the police command of the Islamic Republic of Iran with foreign examples, this applicability model has been provided to the expert panel of 17 technical and management experts of FARAJA. The result of the evaluation of this panel led to the modification of the basic applicability model of block chain technology in the FARAJA mission area, based on which criminal record management, document custody chain,

One of the most important actions of experts in crime scenes where there is a dead body is to correctly diagnose and differentiate between murder and suicide, because misdiagnosing the two can cause the innocent suspect to be caught or the guilty person to escape punishment. Therefore, the purpose of this research is to identify and explain the methods of distinguishing murder from suicide in crime scenes.

In terms of the practical purpose and in terms of data collection method, the present research was conducted qualitatively and with thematic analysis technique. The participants in this research, according to the principle of theoretical saturation of data, are 10 experts from the police intelligence and forensic medicine of Qazvin and Karaj cities . are selected in a purposeful way and the collection of research information was done through semi-structured interviews, after implementation with the help of Max QDA software and through open, central and selective coding of the links between these categories. Explanation and theoretical model of statistical research and then analyzed.

The result of the research findings, after removing duplicates, is 96 basic themes, 15 organizing themes and 3 overarching themes under the headings of general actions, how to act in mechanical and chemical crime scenes. The most topics related to technical and informational measures are under the comprehensive theme of general measures and the least topics are under the comprehensive theme of measures in chemical crime scenes.

The results of the research findings show that in the crime scene of suspected murder, technical-informational measures and examination of the communication records of the deceased and the suspects are very effective and can lead to the discovery of the motive and trigger for the occurrence of murder or suicide,

In terms of purpose, it is applied and in terms of nature and method, it is of the type of documentary review and analysis. It is futuristic. The statistical population of the present study is 30 security and law enforcement officials and agencies involved in the discussion of security and security challenges. The provinces of Kurdistan and Kermanshah are until the theoretical saturation is reached, which was achieved after interviewing 14 people. In order to gather information, the method of panel and structured interviews, monitoring the actions and movements of the ISIL terrorist group in the mentioned provinces, referring to the secondary information of reports and news bulletins have been used.

Explaining four scenarios regarding the subject of research based on different cases of dual key uncertainties, the probability of security incidents in Kurdistan and Kermanshah provinces by ISIL and the situation of border residents coordinating with ISIL or in opposition to ISIL have been developed. In this regard, four situations are conceivable:The ISIL terrorist group is infiltrating the provinces of Kurdistan and Kermanshah from the western borders by concentrating its power, and some border residents are not aligned with each other due to their tendency towards ISIL ideology or the subjugation of ISIL psychological operations and are associated with this terrorist group. (Worst situation).