In 1894 he graduated in law at the University of Kyiv, in the same year appointed as civil servant, responsible for art and printing.
When Stolypin became prime minister, he invited Beletsky to become assistant director of the Department of Police (between August 1909 and March 1912).
In this capacity, Beletsky was responsible for recruiting moles inside revolutionary organisations, including senior Bolshevik Roman Malinovsky, his highest paid spy, who won Vladimir Lenin's trust, and was elected as a deputy to the Fourth Duma.
The following evening he is said, while inebriated, to have opened his trousers and waved his "reproductive organ" in front of a group of female gypsy singers in the Yar restaurant.
[13][14] Early 1917 he was arrested by the Russian Provisional Government during the February Revolution and locked up in the Peter and Paul Fortress.