The article investigates the essence of the technical and forensic situation and reveals the features of solving the technical and forensic tasks of the pre-trial investigation of criminal offenses. Scientific approaches to the problem under study are generalized. A complex of general technical and forensic tasks of an informational nature, solved by conducting investigative (search) actions, has been formulated. The author believes that scientific provisions and practical recommendations should contain typical arguments for making intermediate and final decisions in criminal proceedings, represent a constantly updated complex of forensic algorithms and programs, from which the optimal technology of technical and forensic support of criminal proceedings will be formed. It is proposed to make them the object of constant interest of interrogators, investigators, specialists and an obligatory component of the professional competences of the subjects of the use of forensic techniques. On the basis of scientific generalization and the results of the analysis of advanced experience, typical elements of the actions of specialists in typical technical and forensic situations are identified, for their further use in the form of forensic algorithms and programs for pre-trial investigation of specific types (groups) of criminal offenses.
Key words: pre-trial investigation, pre-trial investigation tasks, criminal proceedings, forensic algorithm, forensic recommendations, material tracesimages, scientific and technical means, technical and forensic tasks, investigative situation, technical and forensic situation