The International Defence and Aid Fund (IDAF)
… organisations in the 1970s. Williamson joined NUSAS and became a super-efficient student activist, so much … But it was only after Horst Kleinschmidt found out from NUSAS leader Cedric de Beer that Williamson was an agent, … that action could be taken. De Beer, during Williamson’s NUSAS days, was suspicious, and followed him for 24 hours. He …