In May 1962, Tou Samouth, Pracheachon's secretary-general, disappeared, and its ideological ally, the Communist Party of Kampuchea, suspected that Samouth had been secretly captured and killed by police.
Pada Mei 1962, Tou Samouth, sekretaris-jenderal Pracheachon, menghilang, dan aliansi ideologinya, Partai Komunis Kamboja, menduga bahwa Samouth secara diam-diam ditangkap dan dibunuh oleh polisi.