Border guards of BS “Tymkove” of Kotovskyi Detachment detained 3 trespassers. The violators were noticed with the help of the thermal imager. Soon, the border detail detained them 200 m before the state border on Moldova. Ukrainian citizen of 55 years old accompanied them, probably, she took the persons through the line of the state border of Ukraine. The administrative and procedural documents were worked up concerning the detainees by the fact of the illegal cross of the state border. Materials as to the present infringement are passed to law enforcement agents.