Serunye said evidence so far had fundamentally changed his understanding of the case, leaving him convinced that he and junior prosecutor Joy Hlatshwayo had been drawn into an investigation they should never have been part of.

Deputy IDAC head Advocate Peter Serunye is expected to testify, days after former IDAC chief Advocate Andrea Johnson appeared before the commission.

Serunye said his then-boss, Advocate Andrea Johnson, was unimpressed when he questioned the direction of the investigation.