Claim: Jacob Zhitomirsky, who studied at the University of Berlin and attended the fifth RSDLP Congress in London, was a prominent Bolshevik best known for being a secret agent of the Okhrana.
Evidence: He was recruited by Okhrana in 1902, while studying at the University of Berlin. He attended 5th RSDLP Congress in London. Jacob (Yakov) Zhitomirsky (Russian: Яков Абрамович Житомирский; party alias Otsov (Отцов); Okhrana aliases Andre and Daudet) was a prominent Bolshevik best known for being a secret agent of the Okhrana.