Original sentence: In all likelihood, he received what the Russian legal system calls the highest means of punishment, the death sentence
Edited sentence: He was buried in a common unmarked grave.In all likelihood, he received what the Russians call vyshaya mera, the highest measure of punishment (a practice from Stalin's era) --- he was taken to a room, made to kneel, and shot in the back of the head, in such a way that would make his face entirely unrecognizable