After two weeks of surveillance, the arrests were made in Sofia and near the town of Blagoevgrad in southwestern Bulgaria, as part of a joint operation by the National Security Service (NSS), the special unit for fighting organised crime, and the Sofia Investigation Service (SIS).
Nakon dvotjednog praćenja, uhićenja su izvršena u Sofiji i u blizini Blagoevgrada na jugozapadu Bugarske, u sklopu zajedničke operacije Nacionalne sigurnosne službe (NSS), posebne postrojbe za borbu protiv organiziranog kriminala i Sofijske istražiteljske službe (SIS).