PRETORIA - Gauteng Organised Crime Unit Sergeant Fannie Nkosi returns to the Madlanga Commission on Wednesday.
His WhatsApp messages are in the spotlight, and he faces tough questions over these communications.
Nkosi has denied tipping off alleged underworld figure Vusimuzi "Cat" Matlala ahead of a 2024 police raid at his house.
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Phone records show that he called Matlala in the days leading up to the operation and on the day of the raid.
Police were searching for the kidnapped Jerry Boshoga, who is still missing.