Peter Ivanovitch so he can convert her, as Peter Ivanovitch cherishes female followers above everything else. Razumov then meets Sophia Antonovna and comes to see her as his most dangerous adversary because of her single-mindedness and perception. Suppressing his distress, he manages to deceive her. Sophia Antonovna reveals that Ziemianitch hanged himself soon after Haldin's execution, which makes the revolutionaries believe that he was the one who betrayed Haldin. Part Fourth The narrative shifts back to Razumov's initial interview with Mikulin. Mikulin admits having read Razumov's private notes but reassures him that he is not suspicious of him. After telling Razumov that some of the best Russian minds ultimately returned to them (referring to Dostoevsky, Gogol and Aksakov), he lets him go. Razumov spends the next few weeks in an increasing state of malaise where he alienates his fellow students and professors. In the meantime, Mikulin has received a promotion and sees an opportunity to use Razumov. He summons him to further interviews where he recruits him, with the blessings of Prince K., to act as a secret agent for the Czarist authorities of the Russian Empire. The narrative shifts to Geneva, where Razumov is writing his first report to Mikulin. On his way to the post office, the narrator comes upon him, but Razumov takes no notice of him. The narrator goes to Natalia's flat, only to learn that Natalia must find Razumov urgently and bring him to her distraught mother, as she needs to meet the only friend of Haldin that she knows. The professor and Natalia go to the Cosmopolitan Hotel to ask Peter Ivanovitch where Razumov stays. There, they find the revolutionaries preparing an insurgency in the Baltic provinces. They visit Razumov's lodgings but do not find him. They then return to Natalia's quarters where Razumov has unexpectedly visited her mother. After a long conversation with Natalia in which Razumov makes several obscure and cryptic remarks, and Natalia asks how her brother spent his last hours, Razumov implies that he was the one who betrayed him. Razumov retires to his quarters where he writes his record. He explains to Natalia that he fell in love with her as soon as she took him into her confidence, that he had never been shown any kind of love before, and that he felt he had betrayed himself by betraying her brother. He mails the record to Natalia and