 On the night of June 18, 1949, members of Arsenescu's group were ambushed by troops of the Securitate; in the ensuing firefight, two officers were killed, but the group of partisans escaped through a security cordon thrown around the area.Arsenescu was captured by the Securitate on February 1, 1960.In February 1962 he was sentenced to death by the Bucharest Military Tribunal for "terrorist acts perpetrated as organizer of an armed group of anti-communist resistance", and was executed on May 29, 1962 at Jilava Prison.