title of militsiya, which replaced the functions of the Saint Petersburg Police. In 1924, following the renaming of Saint Petersburg to Leningrad in honor of Vladimir Lenin, the city police were known as the Leningrad Militsiya (. This name continued until 1991, shortly after the dissolution of the Soviet Union, when it was changed to Saint Petersburg Militsiya (милицию Санкт-Петербурга) after the name of the city was reverted. The service adopted its current name on March 1, 2011, as part of wider law enforcement legislative reform backed by Russian President Dmitry Medvedev, which abandoned usage of the term "militsiya" in favor of the re-adoption of "politsiya" (police) in law enforcement agencies across Russia. Organization and structure Organization Tourism Police (The St. Petersburg Tourist Police; туристическая полиция) was established in 2011 as a single law enforcement agency for crimes committed against tourists and is responsible for providing assistance to visitors to the city. The Tourist Police was given responsibility for undertaking these roles by the regional branch of the Russian Tourism Ministry. The River Police of St. Petersburg – The River Police of St. Petersburg (Речная полиция Санкт-Петербурга) was a unique law enforcement body that was responsible for supervision over the waters of the rivers in Saint Petersburg and the body was subordinate to the city police commissioner. The River Police force was established in 1866. Central Investigation Department (The Detective Police of St. Petersburg; Сыскная полиция Санкт-Петербурга) was established in 1714 and was the first of its kind in Russia. In 1880, the detective police was replaced with the Capital Department of the Okhrana. Since 1918, the function of investigating crime in the city has been performed by the Main Criminal Investigations Directorate. Aviation Directorate Crime Scene Unit High-Crimes office Management of private security Department of Economic Security and Anti-Corruption Mounted Police OMON – Special Response Unit Directorate of accidents registration Office of the State Inspection of Road Safety (Traffic Police) Administration for the protection of public order and interaction with the executive authorities Press service and information center Cultural center Pension Service Center Professional training center Federal Migratory Police (Official Website) Main Directorate for Drugs Control District Police Departments Saint Petersburg Police Commissioner The Commissioner of the Saint Petersburg Police, officially Head of Internal Affairs of Saint Petersburg, is a commissioner with authority as the head of the service, responsible for the day-to-day operation of the department as well