How could Sar Kheng know so much about the DK regime secret ... unless he was a high-ranking KR official himself?

Khieu Samphan was the instigator for the formation of cooperatives

Monday, November 19, 2007
Everyday.com.kh
Translated from Khmer by Socheata

Sar Kheng, vice-prime minister and minister of Interior, declared that Khieu Samphan, who holds a Ph.D. degree, was the instigator of the cooperative system. It was under this instigation that Pol Pot, the leader of the Democratic Kampuchea regime, put this system into use and it led to the killings and the genocide of Cambodian people. In a speech given at the opening ceremony of a bridge construction site in Battambang province last week, Sar Kheng said that Hou Yon and Hu Nim, two high-ranking Khmer Rouge officials, were the first ones to be killed by Pol Pot because the pair opposes the prevention of the use of money and the setup of a market system, they also oppose the cooperative system instigated by Khieu Samphan. Sar Kheng added that, based on his thinking, Khieu Samphan survived because Pol Pot was pleased with Khieu Samphan’s policy since his Ph.D. thesis talked only about cooperative, that was why all of us (Cambodians) started to set up cooperatives. Therefore, the communal eating, the communal work, and all other communal activities were undertaken because of Khieu Samphan’s instigation.