Abstract: This article examines the procedural means of studying the identity of the wanted suspect (accused) in the conditions of proliferation of high technologies. The object of this research is criminal procedure legal relations, within the framework of which the investigating officers examines the identity of the suspect (accused) for tracing their location. The relevance of the selected topic is substantiated by the practical need of law enforcement authorities to reduce the number of criminal cases shelved due to tracking down the suspect. The goal of this work lies in assessment of the procedural means from the perspective of their possible application in investigation of the information and communication space. Special attention of given to the main instrument of preliminary investigation agencies – investigative measures. It is determined that the preliminary investigation agencies are limited in the use of information and communication space for criminal tracking. The novelty lies in the attempt to view the procedural means of studying information systems from the perspective of government and private databases, iCloud, dating site, social networks, instant messengers, Internet applications, etc. However, their use requires new procedural forms. The development of such forms would improve the effectiveness of the activity of preliminary investigation agencies in tracking down the suspects (accused).