Apartheid death-squad leader Eugene de Kock, dubbed 'Prime Evil' for his role in the torture and murder of black South African activists in the 1980s and early 1990s, will learn on Thursday whether he will be released on parole after 20 years in prison. _0"> Justice Minister Michael Masutha is due to announce his decision on de Kock's application for parole at 0530 ET at a news conference in Pretoria. Whatever his ruling, it is likely to be highly contentious in a country still dealing with the legacy of repression and brutality meted out by the white-minority administration that prevailed from 1948 to 1994. As head of an apartheid counter-insurgency unit at Vlakplaas, a farm 20 km (15 miles) west of Pretoria, de Kock is believed to have been responsible for more atrocities than any other man in the efforts to preserve white rule. Arrested in 1994, the year Nelson Mandela and the African National Congress (ANC) came to power, he was sentenced two years later t