Why do communist regimes always end up becoming terror states?

Wherever there have been communist regimes there has been terror. It happened in the Soviet Union, in China, in Romania and so on and on. Why? Konstantin Kisin was born in the Soviet Union and answers this question.

 

Wherever there have been communist regimes there has been terror. It happened in the Soviet Union, in China, in Romania and so on and on. Why? Konstantin Kisin was born in the Soviet Union and answers this question.