He left school in 1899 and got a job at the Tbilisi Physical Institute. He joined groups that were trying to start a revolution to remove the Tsar. They wanted a different type of government. The police raided his house in 1901 while hunting for people who opposed the government. Stalin escaped but went into hiding so the police could not find him. He organized anti-government activities such as May Day marches and protests. He became a Bolshevik. He supported a violent revolution, and did not support the Mensheviks. The secret police caught him in April 1902 and exiled him without trial to Siberia. He lived in the village of Novaya Uda.