Analysis of information sources in references of the Wikipedia article "พล พต" in Thai language version.
[...] the population of Democratic Kampuchea was divided into three categories, based on their class backgrounds and their political pasts: individuals with full rights (penh sith), those who were candidates for full rights (triem), and those who had no rights whatever (bannheu). [...] The lowest category, the bannheu or depositees, had no rights whatever, not even the right to food. These were former landowners, army officers, bureaucrats, teachers, merchants, and urban residents [...].
