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Angelo Agrizzi, the former chief operating officer at facilities management company Bosasa,in South Africa was one of four people arrested on Wednesday and charged with corruption, money laundering and fraud in the prison services sector.
Last month Agrizzi gave explosive evidence to an inquiry into public sector corruption that detailed how, over nearly 20 years, he and other Bosasa staff members repeatedly bribed officials in return for government tenders worth hundreds of millions of euro.
However Agrizi was released the same day on 20,000 rand ($1,500; £1,150) bail; Four of his co-accused were also released on bail and have been ordered to surrender their passport
