One of the procedural actions is a search, the tactics of which was and continues to be a topic discussed in the legal literature. It is axiomatic that the effectiveness of the search is determined not only by the competence and coherence of the actions of its participants but also by the expertise of the specialists involved. The purpose of the article is to elucidate the problematic moments of conducting and recording the results of the search, in which specialists took part, formulating scientifically based recommendations aimed at solving them and minimizing the negative impact. Based on the analysis of investigative and judicial practice, it was determined that typical mistakes made by investigators during a search, the participants of which are specialists of various specialties, include the following: entrusting the investigation (search) action to the involved knowledgeable persons; improper recording in the protocol of the actions taken by the specialists, etc. The importance of researching this issue and eradicating similar mistakes from investigative practice, in particular by conducting educational and scientific activities, to increase the professional competence of representatives of the prosecution, was emphasized.