Johnson has denied KwaZulu-Natal police commissioner, Nhlanhla Mkhwanazi's testimony before parliament’s Ad hoc committee in October last year that Khumalo’s arrest was an attempt to stop a criminal investigation in Gauteng. Death threatsThe Idac head told the commission that Khumalo’s arrest has invited trouble for her and her family. She said in the days leading up to Khumalo’s arrest, she received a death threat on her phone. “In my long career as a prosecutor, this is the first time that I received a death threat.” Johnson: ‘Someone accosted my daughter and I’However, she said she did not include the death threat in her affidavit because at the time, she did not think it was related to Khumalo’s arrest.