Crime Intelligence head Lieutenant-General Dumisani Khumalo, pictured. Calls have been made for South Africa's anti-corruption architecture to be overhauled following recent developments in his case.

The Investigating Directorate Against Corruption (IDAC) should shut down and be replaced by a new corruption-fighting entity, independent of political office, to operate without fear of political interference, said corruption expert Paul Hoffman.

Hoffman made the suggestion in reaction to a public drama that occurred at the Brooklyn police station in Pretoria last week.

Hoffman said even some of the corruption-investigating officers of the Directorate for Priority Crime Investigation (DPCI), better known as the Hawks, should be transferred to the new body, which would comprise IDAC officers.

The July 18 drama unfolded publicly when Crime Intelligence (CI) head Lieutenant-General Dumisani Khumalo and the entity’s Intelligence Analysis and Coordination head, Major-General Nosipho Madondo, presented themselves at the police station to be arrested by IDAC, an entity of the National Prosecuting Authority (NPA).