Nikolai Yadjin

The article discusses the problem of psychological and criminological prevention of crimes committed by means of communication technology. Criminological prevention of crimes means that investigators (detectives), operational officers, as well as specialists and experts use the technical resources, techniques and methods which are aimed at identifying and eliminating the causes of crimes and the conditions conducive to their commission. However, given the fact that crimes are committed by people, criminological tools, techniques and methods will not be enough to prevent crimes if they are not supported by psychological ones. The main psychological means are persuasion, suggestion, an example, a method of transmitting information, setting and varying tasks, etc. Psychological and criminological prevention of crimes committed with the use of communicative technologies can be divided into measures of organizational and psychological, technical and criminological, legal and scientific- methodological nature.

The article is devoted to topical problems of psychological support of verbal inquest operations involving children and adolescents, to the issues of expert’s in the field of adolescent psychology help by holding an inquest, confrontation, identification and evidence check with participation of children or teenagers. The author analyzes the existing criminal procedure rules regulating the participation of psychologist, psychiatrist in this category of cases, as well as the opinions of scientists, which made it possible to formulate conclusions and proposals for improving the institute of psychologist participation as a specialist, consultant in the investigation of crimes.

Article is devoted to concept of criminalistic operation. Various points of view of famous scientists-criminalists about concept of criminalistic operation, its structure and classification are analyzed. Various approaches to use of the terms "operation" and "combination" which analysis allows to formulate the views of this criminalistic category are noted.

Article is devoted to some elements of the criminalistic characteristic of crimes made by cellular and mobile communication. Ways of commission of the specified category of crimes are considered.