Key suspects in the interpretation of criminal investigation terms

1. Criminal investigation: it is an applied discipline that studies the methods and countermeasures of exposing and confirming crimes and suspects on the basis of understanding criminal activities, investigation activities and their interaction laws.

2. Comparative research method: it is to compare and analyze research topics, projects and related contents with similar objects at home and abroad, and improve and develop themselves through criticism and learning from each other's strengths.

3. The research object of criminal investigation is mainly the methods, countermeasures and laws of investigation activities, as well as the special contradiction of the interaction between criminal behavior and investigation activities.

4. Logical proof: it is a way of thinking that proves a proposition to be true through inevitable reasoning. 5. Investigation hypothesis: refers to the hypothesis that some or all of the contents of a case are explained by means of logical reasoning, logical proof and logical laws according to the existing case facts.

6. Identification in criminal investigation: refers to the theory that the decomposed or separated parts, traces and images of a certain substance are consistent with the characteristics of a certain substance within a certain period of time.

7. Crime scene inquest: refers to the investigation and inquiry conducted by investigators in the process of crime scene investigation to find out the case, collect investigation clues and criminal evidence according to law.

8. Criminal investigation: it is a special work for public security organs to discover, control, expose and prove criminal offences by using various investigation measures and means and criminal science and technology according to the powers entrusted by the law and the state.

9. Basic principles of criminal investigation: According to national laws and Party policies, the basic rules, professional ideas and behavioral norms that criminal investigators should follow when performing their duties are formulated.

10. Crime scene inquest: It is an investigation activity in which investigators observe, display, record, extract, analyze, examine relevant traces, objects, people, corpses, etc. at the crime scene with the help of sensory organs and scientific and technological means, and discover and collect investigation clues and criminal evidence.

1 1. Individual inquest: On the basis of on-the-spot observation, investigators conduct inquests and inspections on the traces and physical evidence related to or likely to be related to criminal acts one by one.

12. Local observation: It means that the investigators divide the scene into several parts according to the scope, emphasis and order determined by the crime scene inspection on the basis of patrolling the scene all day, and then organize the on-site investigators to be responsible for the division of labor or concentrate their efforts to observe, study and record the characteristics, states, positions and their mutual relations of the objects at the crime scene one by one. 13. overall inspection: the investigators conduct an overall inspection of the surrounding environment, the outside of the crime scene and the relationship between them.

14. dynamic inquest: on the basis of static inquest, with the help of various technical means and methods, observe, record and test the characteristics and changes of the unexposed part of the object, find and discover relatively hidden and trace traces and physical evidence, and study the formation mechanism of traces and physical evidence and their relationship with criminal acts.

15. Static inquest: It is to observe, record and check the position, state and characteristics of the exploration object, study the structural characteristics and morphological changes of its exposed part, as well as its relationship with other objects and criminal acts, and find and discover obvious traces and material evidence.

16. Crime scene investigation: it is a kind of investigation measure that investigators conduct on-the-spot inspection and on-the-spot investigation on places, people, things and things related to the crime in order to collect criminal evidence and find out the facts of the crime after a criminal case occurs.

17. Crime scene inspection: refers to an activity in which investigators infer relevant issues through analysis and research on the basis of collecting various on-site materials, so as to lay a foundation for further investigation.

18. Criminal investigation information work: an organic process in which the public security organs process criminal investigation information through its collection, collation, transmission, storage, retrieval and utilization.

19. Criminal investigation information system: refers to an organized procedure to provide investigation information flow for completing criminal investigation by taking relevant measures.

20. Combined investigation: A criminal investigation department connects a series of cases committed by the same criminal or a group of criminals in parallel and implements investigation measures in a unified way.

2 1. Identification: It refers to an investigation measure that investigators organize qualified personnel to identify and identify the relevant personnel, unidentified bodies and articles involved in the case in order to find out the facts of the crime.

22. Personal identification: it is the identification of the identified person through the recognizer to solve the identification problem of whether people are the same. 23. Corpse identification: refers to the identification of unknown bodies related to the case, mostly to find out the identity of the deceased.

24. Identification of articles: refers to the identification of articles related to a case by an appraiser to solve the identification of whether the articles are the same or who owns them or where they are produced and sold.

25. Location identification: it is to identify a location with an identifier to solve whether the location is the same.

26. Public appraisal: The investigator organizes appraisers to appraise and certify the appraised articles with the knowledge of the appraiser or the holder of the appraised articles.

27. Secret identification: The investigator organizes an appraiser to identify the appraised object without the knowledge of the appraiser or the holder of the appraised object.

28. Direct identification: refers to the identification made by the appraiser through direct observation or perception of the object.

29. Indirect identification: refers to the identification that the identifier understands the characteristics of the object through some intermediary, such as watching photos or videos of criminal suspects.

30. frontal recognition: it is to mix the recognized person with a number of people with similar looks and let the recognizer face them.

3 1. Side recognition: It is the recognition that the recognizer is not in direct contact with the recognized person.

32. Search and identification: In the investigation of robbery, fraud, rape and other cases, if no criminal suspect is found, investigators can guide victims and witnesses to find and identify places where the criminal suspect may stay or move according to the regular characteristics of similar cases, so as to determine the criminal suspect.

33. Pursuit: It is an emergency measure to pursue a criminal suspect and escape after committing a crime.

34. Interception: It is a kind of investigation measure to find, control and arrest a criminal suspect by choosing an appropriate place and openly or secretly arranging police forces on the route that the fugitive criminal suspect may pass.

35. Interrogation: It is a measure to ask and check suspicious persons in pursuit, interception or other investigation measures to clarify their identity and find and arrest criminal suspects.

36. Investigation experiment refers to the reappearance experiment of something or behavior in the process of investigation in order to find out the case and confirm some facts and phenomena related to crime under the same or similar conditions. 37. Wanted: It is a measure for public security organs to arrest fugitives, criminal suspects who should be arrested or escaped prisoners.

38. Notification: It is a working measure for public security organs to notify and exchange criminal information and request assistance in finding, investigating and controlling clues, evidence and criminal suspects.

39. Search at the bottom: On the basis of investigating the crime scene and analyzing the case, the investigators, according to the analysis and judgment of the case and the criminal suspect, search suspicious people, things and things one by one within a certain range, find investigation clues and criminal suspects, and exclude suspects unrelated to the case. 40. Investigation clues: signs or things related to criminal cases.

40. Investigation clues: signs or things related to criminal cases.

4 1. general investigation: it refers to bringing all the people who have the conditions to commit crimes into the investigation line of sight according to the determined queuing conditions, and conducting a comprehensive search for criminal suspects without omission and investigation one by one.

42. Investigation visit: also known as investigation inquiry, is a special investigation activity in which investigators openly or secretly ask people, things and things related to the case and people who know about it in order to find out the facts of the case, collect evidence, expose and confirm criminal acts.

43. Public investigation: As an investigator, the interviewee directly and openly asks the interviewee about the facts and circumstances related to the case.

44. Secret investigation: it is an investigation visit conducted by investigators without revealing their identity and investigation intention, and it is a form of investigation aimed at the particularity of the investigated object and content.

45. Individual interview: refers to the method of collecting testimony from people who know something or other relevant people in order to find out a certain problem or someone's specific situation.

46. Visit: It means that investigators go deep into the people around the scene of the case or the places related to the case, investigate and understand what they saw and heard about the case before and after the crime, know what they can do, look for investigation clues and obtain witness testimony.

47. Filing a case: It refers to the working process that the public security organ, after receiving the report materials, establishes a criminal case, considers that there are criminal facts after examination, and needs to be investigated for criminal responsibility, which conforms to the criminal filing standards and belongs to its own jurisdiction.

48. Interrogation: In order to find out the truth of the case, the investigators of the public security organs investigate the criminal suspects in the form of interrogation in accordance with the provisions of the law in order to obtain their confessions or excuses.

49. Pre-trial: refers to the investigation activities in which the public security organ inquires and investigates the criminal suspect according to law and decides whether to transfer the criminal suspect to prosecution on the basis of finding out the facts of the case.

50. Investigation scheme: under the guidance of the general law of criminal case investigation, according to the actual situation of the case, on the basis of analyzing and judging the case, the overall planning and specific deployment of the whole investigation and solving work are carried out.

5 1. case: the sum of the perpetrators of criminal cases and their criminal activities.

52. Investigation termination: refers to a litigation activity in which the public security organ decides to terminate the investigation and make a decision on handling a criminal case after a series of investigation activities, which is enough to prosecute or revoke the conclusion of the case according to the facts and evidence ascertained.

53. Time limit for investigation and detention: refers to the longest time limit for a criminal suspect to be detained during investigation.

54. Supplementary investigation: refers to the litigation activities in which the public security organs or people's procuratorates re-investigate certain facts and situations in a case on the basis of the original investigation work and in accordance with legal procedures.

55. Return of supplementary investigation: refers to the case that the organ that decided to make supplementary investigation returned to the original investigation organ for supplementary investigation. 56. Self-supplementary investigation: refers to the supplementary investigation of a case by the organ that decided to make supplementary investigation.

57. Solving a case means that investigators find out the criminal suspect and his main criminal facts through a series of investigations and investigations, and arrest the criminal suspect according to law when there is evidence to prove the criminal facts.

And the investigation steps of further recovering, collecting and reviewing criminal evidence such as stolen goods.

58. Battle to solve a case: It is an investigation measure that the public security organs concentrate their police forces to solve a case by surprise in a certain period and within a certain scope, when the number of criminal cases or accumulated cases increases and the social security situation deteriorates.

59. Pursuing fugitive criminal suspects: It refers to an investigation measure that the public security organs take corresponding measures to arrest fugitive criminal suspects or fugitives and make them accept lawsuits or legal sanctions.

60. Online pursuit: refers to the pursuit method of using computer network to search and query the information of suspicious persons and fugitive suspects, so as to find and capture fugitive suspects.

6 1. A-level wanted order of the Ministry of Public Security: refers to the order issued to arrest fugitives that the Ministry of Public Security thinks should be focused on.

62. The B-level wanted order of the Ministry of Public Security refers to the order issued by the Ministry of Public Security to arrest fugitives at the request of provincial public security organs.

63. Criminal investigation and position control: It is a basic business work for criminal investigation departments to control industries and places that are vulnerable to criminal suspects' infringement, utilization and frequent intervention in an open and secret way.

64. Criminal investigation position: It is a place where the criminal investigation department of the public security organ arranges forces to secretly investigate and control crimes in advance, which may directly compete with criminal suspects.

65. Control of stolen goods: It refers to an investigation measure that the criminal investigation department arranges forces to monitor the places where criminals may transfer, conceal, modify, sell or destroy stolen goods in order to find and collect evidence of stolen goods and arrest criminal suspects.

66. Crime scene photography: It is a technical method to truly record and fix the scene situation and traces and objects related to the case by using photography technology according to the requirements of on-site investigation.

67. On-site directional photography: It reflects the whole crime scene and its surrounding environment, records and fixes the location of the scene and its internal relationship with the surrounding environment.

68. Site Panoramic Photography: Also known as Site Panoramic Photography or Panoramic Photography, it is a form of photography that records the relationship between the site panorama and the internal parts of the site.

69. On-site central photography: also known as on-site key part photography, it is a form of photography that records the central part of the crime scene and reflects the characteristics of the main objects on the scene and their relationship with adjacent objects and traces.

70. On-the-spot detail photography: it is the photography of recording and fixing traces and objects related to the case at the crime scene.

7 1. Video recording of crime scene: It is a recording method that the scene investigators record the scene situation and the investigation process on the video tape with a camera.

72. Cross-shooting method: that is, cross-shooting objects from four opposite directions with the object shot on the spot as the center. In fact, he fired two shots in the opposite direction.

73. Linear continuous shooting method: The camera moves in parallel from one end to the other along the object, taking pictures in sections, and then splicing several photos taken continuously into a complete photo to reflect the whole picture of the object. 74. Rotating continuous shooting method: fix the camera at a shooting point, divide the subject into several sections and take pictures in turn by rotating the shooting angle of the camera, and then splice the photos into one photo.

75. proportional photography: put a scale next to traces and objects before shooting. Bring the ruler, traces and objects into the lens at the same time. According to the reading of the scale, the size of the object and the distance between them can be calculated. 76. Record of crime scene inquest: refers to the written records made by the on-site inquirer on the scene situation and the inquest process.

77. Crime scene mapping is a technical means to record, fix and reflect the situation of crime scene by using cartography principles and realistic methods.

78. Site map: a map reflecting the site location and its relationship with the surrounding environment.

79. Panorama of the site: it is a map that reflects the panorama of the whole site and the relationship between the internal parts of the site. 80. Site center map: It is a map specially reflecting the important part of the site.

8 1. Plan: It is a plan drawing of the state, position and relationship of objects observed from top to bottom in horizontal form according to the principle of horizontal orthogonal projection.

82. Plan development: Based on the plan of the indoor site, it is assumed that the walls and ceilings of the indoor site are pushed outward, so that the objects and traces on the horizontal top plan, plan plan and bottom plan of the site are horizontally presented.

83. Scale map: It is a map drawn by reducing the site conditions according to a certain scale. 84. Schematic diagram: It is a diagram that draws the general situation of the site by schematic diagram.

85. Crime scene refers to the place where criminals commit crimes and all places where traces and articles related to crimes are left.

77. Crime scene mapping is a technical means to record, fix and reflect the situation of crime scene by using cartography principles and realistic methods.

78. Site map: a map reflecting the site location and its relationship with the surrounding environment.

79. Panorama of the site: it is a map that reflects the panorama of the whole site and the relationship between the internal parts of the site. 80. Site center map: It is a map specially reflecting the important part of the site.

8 1. Plan: It is a plan drawing of the state, position and relationship of objects observed from top to bottom in horizontal form according to the principle of horizontal orthogonal projection.

82. Plan development: Based on the plan of the indoor site, it is assumed that the walls and ceilings of the indoor site are pushed outward, so that the objects and traces on the horizontal top plan, plan plan and bottom plan of the site are horizontally presented.

83. Scale map: It is a map drawn by reducing the site conditions according to a certain scale. 84. Schematic diagram: It is a diagram that draws the general situation of the site by schematic diagram.

85. Crime scene refers to the place where criminals commit crimes and all places where traces and articles related to crimes are left.

86. Original scene: refers to the scene that has not been affected by human or natural factors and the state of the scene has not changed since the criminal case occurred to the end of investigation.

Changed scene: refers to the scene where the original state of the scene has changed partially or completely due to the influence of natural or human factors from the occurrence of a criminal case to the investigation process.

Subject scene: It is the place where criminals commit major crimes.

Associated scene: refers to the scene associated with criminal behavior outside the main scene. 90. Real scene: refers to the scene where criminals are formed.

Forged scene: also known as fake scene, refers to the scene deliberately arranged by the parties for some purpose. 92. Outdoor scene: refers to the scene formed when criminals commit crimes outdoors. 93. Indoor scene: refers to the scene formed when criminals commit crimes indoors.

I hope it will help you and I hope it will be adopted.