Research content and direction of criminal investigation

Criminal investigation is a social application discipline that studies the characteristics of criminal cases and investigation countermeasures.

Criminal investigation is aimed at criminal investigation.

Criminal investigation refers to the special adjustment work and relevant compulsory measures carried out by the investigating organs in accordance with the law in the course of handling criminal cases.

Criminal Investigation System: First, theoretical research; The second is applied research, which mainly focuses on the systematic and comprehensive discussion of specific countermeasures for investigative activities, such as investigative procedures, investigative measures, investigative strategies, forensic techniques, investigative methods, and basic investigative work. The third is comparative research and the fourth is development research.

Investigators use criminal investigation and forensic technology to investigate, inspect, record and analyze crime scenes (including suspected scenes). The extraction of trace evidence is only one of them.

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Investigation is the study of investigation and criminal law, investigation is the study of the investigation of the nature of criminal justice activities carried out by the subject of investigation and the scientific investigation of the law is to find out the truth of the case, collect evidence, and find criminal suspects as the basis for the purpose of activities.

Researching, revealing, mastering, and applying "investigative activities and their laws" embodies the specificity of the object of investigative research, and the contents of this object of study include: First, the general principles of investigative activities; That is to say, the general principle of investigative activities is to study the general laws of investigative activities theoretically or from a macroscopic perspective, which belongs to the category of theoretical research on investigative activities, and has guiding significance for practical or applied research on investigative activities. second, the procedures and methods of case investigation; That is to say, the object of investigation research studies the investigation of criminal cases as a whole, including the general laws of criminal case investigation and the laws of various types of criminal case investigation.

the third is the implementation strategy and method of specific investigative acts; That is to say, the law of specific investigative behavior is the basis for studying the law of the entire investigative activity, and the study of the law of specific investigative behavior is also the basis of the entire investigative research. In short, the general principles of investigative activities, the procedural methods of criminal case investigation, and the strategic methods of specific investigative behaviors constitute the main contents of the laws of investigative activities.

Prompt and timely, objective and comprehensive, in-depth and meticulous.

1. Prompt and timely.

The fact that the investigation work must be prompt and timely is determined by the characteristics of the investigation work itself.

2. Objective and comprehensive.

The so-called comprehensiveness means that we should comprehensively investigate, understand, and reflect the circumstances of the case, and we cannot draw conclusions based on a certain circumstance or part of the materials of the case.

3. In-depth and meticulous.

Criminal cases are ever-changing and complex. In the course of investigation, in order to accurately ascertain the true circumstances of the case, investigators must also persist in being thorough and meticulous.

Scout missions

Criminal investigation refers to the litigation activities of public security organs and people's procuratorates in accordance with legal procedures to collect evidence, prove the crime, find the offender, and take necessary compulsory measures against the criminal suspect in the course of investigation in accordance with legal procedures in a case that has already been filed.

Investigative activities include interrogation of criminal suspects, questioning of witnesses, inquests, inspections, searches, seizure of physical, documentary and audio-visual evidence, seizure and freezing of deposits and remittances, identification, arrest of fugitives, and the adoption of necessary coercive measures against criminal suspects.

In criminal cases that have already been filed, investigators must conduct investigations in strict accordance with legal procedures, comprehensively and objectively collect and collect evidence of the criminal suspect's guilt or innocence, or the severity or seriousness of the crime, and review and verify it. All kinds of investigative methods and measures are to be employed as needed, but they must be carried out in strict accordance with the conditions and procedures prescribed by law.

Criminal investigation is an applied science that studies the laws and characteristics of criminal activities carried out by criminals, and studies the strategies and methods for exposing, preventing and confirming crimes. 1. Criminal investigation is a comprehensive social science From the perspective of disciplines, the research object of criminal investigation (crime and investigation) is the category of social science research. 2. Criminal investigation is a countermeasure application discipline From the perspective of discovering, exposing and confirming crimes, criminal investigation is a criminal countermeasure science, which is closely related to investigation practice, and guides investigation practice.

Criminal investigation is an applied discipline that studies the investigation of criminal activities and their laws, that is, criminal investigation is an applied discipline that takes the law of criminal investigation activities as the research object, and studies the investigation organs in accordance with legal procedures and the use of effective strategies and methods to ascertain the facts of the case, collect evidence, seize criminal suspects, and investigate the criminal responsibility of criminal suspects. It has the following characteristics. 1. Political.

2. Practicality. 3. Strategic. 4. Legality.

5. Scientific. 6. Applicability. 7. Dynamics.

8. Comprehensive.

Characteristics of criminal investigation: 1. Political; 2. Practicality. 3. Scientific.