 monitoring telegraphic and electronic communications connections - 12. At the same time, under the conditions of the criminal procedural legislation, the prosecutors authorized to carry out special investigative measures in 1,586 cases, including:  identification of the subscriber, owner or user of electronic communications systems or access points to computer systems - 473 cases;  visual tracking - 622;  control of the transmission of money or other extorted material values - 98;  undercover investigation –126;  acquisition of control - 216;  controlled  research delivery - 46; of objects and documents - 3;  sample collection for comparative research - 2. In 2019, the share of special investigative measures in the criminal prosecution activity was about 11.4% (5,809 measures in 50,920 criminal cases under management), which is a decrease of about 17%. This decrease is explained by the reduction of the number of interceptions of communications and images by 1,116 cases (2,812 in 2019, compared to 3,928 in 2018). The General Prosecutor's Office mentions that, in addition to the attributions of disposition in the special investigation activity, the prosecutor has the task of monitoring and controlling the observance of the legislation in this field. However, when verifying the conduct of the criminal prosecution, there were established deviations from the law, especially in the special investigation activity compartment. Therefore, five criminal cases and three criminal proceedings were initiated for the commission of acts of illegal collection of information protected by law, without the consent of the person, with the use of special technical means intended to obtain hidden information. Likewise, it was found the violation of the right to the secrecy of telephone conversations in violation of the law, with the use of the service situation. Following these findings, there are carried out criminal prosecution actions against five investigating officers, three prosecutors and a head of subdivision within the National Investigation Inspectorate of the GPI of the Ministry of Internal Affairs. 26