Originally Posted by Kongo-Otto

Ok and when did they find out? Surely not as long as they have been in power, so sad as it is, their system of opression worked pretty well.
Stalin died in 1953 IIRC and years later he was abolished by Chrutschev at the 20th Party Congress 25th February 1956. The whole scale of Stalins mass murder is not even unveiled today.
Hitler died in 1945 and afterwards the whole gigantic scale of mass murder came to the light and also here the whole picture is still to unveil. To many had washed their shirts white in germany after the war, specially the Banks and the Industry.
Same with Pol Pot and Mao.
These guys didn't cared what happens after them, they are just thinking about to secure their own power at any cost.