The problem of the investigator's functions in criminal proceedings
The article deals with various approaches to solving the problem of the investigator's functions that have developed in criminal procedure science. There are three concepts of the investigator's functions: competitive, consolidated, and differentiated. These concepts are analyzed on the basis of the philosophical characteristic of the category «function». The authors show the validity and value of each concept and, at the same time, undertake a critical assessment of them. The authors' understanding of the problem of the investigator's functions in modern domestic criminal proceedings is formulated.