. "Tcheka" . "Extraordinary Commissions" . . . "Soviet secret police" . . "cheka" . . "1922-02-06" . . "VcheKa" . "Commission" . "Emergency Commission for Combating Counter-Revolution and Sabotage" . "ChKa" . . "Cheka-OGPU" . . . "security officer" . . "Red agents" . "chekist" . . . "state security services" . . . . "VCheKa" . . "Tscheka" . . "1922" . . . "checas" . . "jail cells" . "Vetcheka" . "Cheka" . "Rybinsk Uyezd Extraordinary Commission" . "Cheka's" . . . "All-Russian Extraordinary Commission" . "Soviet Secret Police" . "Chairman of the Cheka" . . "VeCheka" . . . "Chekisty" . "\u0421heka" . . . . "Cheresvichaika" . "communist agent" . "All\u2013Russian Extraordinary Commission" . . . . "Director of Cheka" . . . "1917-12-05" . "Cheka" . "Soviet secret police organization" . "Vecheka" . "chekists" . "Extraordinary Commission" . . . . "Chekist" . "1917" . "CHEKA" . . . "VCK GPU" . "Honorary worker of the Cheka-GPU (XV)" . "CheKa" . . . . . "Cheka-GPU" . "All-Russian Extraordinary Committee" . . "Chekists" . "Emergency commission" . . "ChK" . . . . . "secret police" . "Gubchek" . . . "internal control" . "the Cheka" . "OGPU" . . "VChK" . "1917" . . "Soviet secret-police" .