As news of the so-called reeducation camps ebbed out of Vietnam, it became apparent that the communist ideologues had gained control of governing the country. For a fascinating inside glimpse of how deep the purge went, I would recommend A Viet Cong Memoir by Trương Như Tảng. Even loyal Viet Cong who had spent years fighting the Americans were viewed with suspicion by leaders from the north who quickly consolidated their power. Fearful that these southern patriots were not sufficiently communist, many were excluded from meaningful government positions in the new regime.