Operation Kamen (1948-1951 : Czechoslovakia) 1 Exclude matching results akcia Kámen (1948-1951: Československo) illegal migration 1 Exclude matching results intelligence service 1 Exclude matching results nelegálna migrácia 1 Exclude matching results nelegálne prevádzačstvo 1 Exclude matching results people smuggling 1 Exclude matching results provocation (police method) 1 Exclude matching results provokácia (policajná metóda) 1 Exclude matching results spravodajské služby 1 Exclude matching results