De Kok was paroled last year after serving nearly 20 years’ in prison for a range of crimes – including murder, kidnapping and assault.
As head of a counter-insurgency unit based at Vlakplaas, de Kok was responsible for hunting down and killing enemies of the apartheid state.
Attorney Julian Knight claims his client was invited to a meeting at the correctional service’s area commissioner’s office, where he was told he would accompany state security officials to a safe house.