 The hearings were later adjourned amid claims that witnesses were being intimidated on Winnie Mandela's orders.In a 2017 documentary, former Soweto police officer Henk Heslinga alleged that former safety minister Sydney Mufamadi had instructed him to re-open the investigation into the death of Seipei, for the purpose of charging Winnie with murder.In the documentary, Heslinga claimed that Richardson admitted during an interview that Seipei discovered he was an informant, and that he killed the child to cover his tracks.