in the Lviv region, in front of horrified villagers, UPA troops gouged out the eyes of two entire families suspected of reporting on insurgent movements to Soviet authorities, before hacking their bodies to pieces. Due to public outrage concerning these violent punitive acts, the UPA stopped the practice of killing the families of collaborators by mid-1945. Other victims of the UPA included Soviet activists sent to Galicia from other parts of the Soviet Union; heads of village Soviets, those sheltering or feeding Red Army personnel, and even people turning food into collective farms. The effect of such terrorist acts was such that people refused to take posts as village heads, and until the late 1940s villages chose single men with no dependants as their leaders. The UPA also proved to be especially adept at assassinating key Soviet administrative officials. According to NKVD data, between February 1944 and December 1946 11,725 Soviet officers, agents and collaborators were assassinated and 2,401 were "missing", presumed kidnapped, in Western Ukraine. In one county in Lviv region alone, from August 1944 until January 1945 Ukrainian rebels killed 10 members of the Soviet active and a secretary of the county Communist party, and also kidnapped four other officials. The UPA travelled at will throughout the area. In this county, there were no courts, no prosecutor's office, and the local NKVD only had three staff members. According to a 1946 report by Khrushchev's deputy for West Ukrainian affairs A.A. Stoiantsev, out of 42,175 operations and ambushes against the UPA by Destruction battalions in Western Ukraine, only 10 percent had positive results – in the vast majority there was either no contact or the individual unit was disarmed and pro-Soviet leaders murdered or kidnapped. Morale amongst the NKVD in Western Ukraine was particularly low. Even within the dangerous context of Soviet state service in the late-Stalin era, West Ukraine was considered to be a "hardship post", and personnel files reveal higher rates of transfer requests, alcoholism, nervous breakdowns, and refusal to serve among NKVD field agents there at that time. The first success of the Soviet authorities came in early 1946 in the Carpathians, which were blockaded from 11 January until 10 April. The UPA operating there ceased to exist as a combat unit. The continuous heavy casualties elsewhere forced the UPA to split into small units consisting of 100 soldiers. Many of the troops demobilized and returned