The party organs immediately began repressive actions. A whole series of arrests followed, with arrest warrants issued by another special party committee, headed by Gheorghe Apostol. Investigations were intense; the chief interrogator was Captain Gheorghe Enoiu of the Direction of Penal Investigations of the Ministry of Internal Affairs. He was aided by, among others, Lieutenant Major Vasile Dumitrescu, Lieutenant Gheorghe Blidaru, Lieutenant Horia Brestoiu, Lieutenant Nicolae Domnița, Lieutenant Major Florea Gheorghiu, Lieutenant Major Gheorghe Mihăilescu, Lieutenant Major Iosif Moldovan, and Lieutenant Major Dumitru Preda.