Anna Serebryakova for 24 years was an agent of the tsarist secret police. Nicknames: Lady Ace, Mother, Subbotina. Her track record includes the liquidation of the Mitskevich circle, the Workers' Union, the Moscow Workers' Union, the Vorovsky, Rozanov circles, the Moscow Union of Struggle for the Liberation of the Working Class, the first and second failure of the Moscow Committee of the RSDLP, the defeat of the Bund. She was tried in 1926, taking into account her advanced age and complete blindness, the death sentence was commuted to 7 years with confiscation of property and with loss of rights to serve the sentence, for a period of 5 years.