Chronology of Soviet secret police agencies Chronology of Soviet secret police agencies <br> There was a succession of Soviet secret police agencies over time. The first secret police after the October Revolution, created by Vladimir Lenin's decree on December 20, 1917, was called "Cheka" (ЧК). Officers were referred to as "chekists", a name that is still informally applied to people under the Federal Security Service of Russia, the KGB's successor in Russia after the dissolution of the Soviet Union. For most agencies listed here secret policing operations were only part of their function; for instance, the KGB was both the secret police and the intelligence agency.
Greek Operation of the NKVD publishing houses. Then, the secret police indiscriminately arrested all Greek men 16 years old or older. All Greeks who were wealthy or self-employed professionals were sought for prosecution first. On many occasions, the central authorities sent telegrams to police forces with orders to arrest a certain number of Greeks, without giving any individual names, and the police officers would arrest at random any persons of Greek origin until they reached the requested total number of arrests, until the process was repeated at a later date. In all, some 50,000 Greeks died from this persecution. Some soures claim that there was