他们知道，一旦退缩，自己就会被内务人民委员部的执行委员枪杀。
If they wavered , they knew they would be shot by NKVD enforcers .
致苏联内务人民委员部副委员，国家安全三级委员，阿巴库莫夫同志。
To Deputy of the National Commissioner of Internal Affairs of the USSR , Commissioner of State Security Third Rank , comrade Abakumov .
内务人民委员部