According to Roman Brackman's The Secret File of Joseph Stalin: A Hidden Life, while Stalin was working with the Bolsheviks to organize criminal activities, he was also acting as an informant for the Okhrana, the Russian secret police.
Menurut The Secret File of Joseph Stalin: A Hidden Life karya Roman Brackman, walaupun Stalin bekerjasama dengan Bolshevik untuk melakukan tindakan-tindakan kriminal, ia juga bertindak sebagai seorang informan untuk Okhrana, kepolisian rahasia Rusia.