Police from Nógrád County and an operational unit followed the threads of a drug case uncovered in spring in Kálló and later tracked the leads to Csörög. Officers arrested a 26-year-old man in Csörög and took him into custody. The operation was based on information gathered during the earlier investigation in Kálló. Investigators then continued to follow the case, eventually reaching Csörög where the suspect was detained. The man remains in custody as the investigation continues.