It is well known that interrogation is one of the most frequent investigative actions in practice under the criminal procedure legislation of the Republic of Kazakhstan. In general, the author considers interrogation in his article as a mandatory, necessary and useful investigative action.
At the same time, this article defines the purpose of this investigative action. The goal is to obtain complete and truthful information about the situation. These data are a source of evidence, including factual information, evidence of a crime. For the suspect and the accused, their testimony is a means of defense against accusation or suspicion against them.