Abstract
The article examines the essence of the organizational and technological
components of the practical activities, which are one of the key elements of the forensic
system of crime scene investigation, the issues of assessment and control of the traces
identified during the inspection of the scene and other material objects relevant to the scene
in terms of completeness, timeliness, reliability. Based on the results of the analysis of the
scientific views of forensic scientists on the subject, definitions of concepts such as the
effectiveness, efficiency and extent of their use in crime detection, as well as the principles
of evaluating the effectiveness of forensic technical support were proposed.