TimesLIVEThe outgoing head of the Investigative Directorate Against Corruption (Idac), Andrea Johnson, is appearing before the Madlanga commission of inquiry on Tuesday. Her appearance comes after she resigned and asked to be allowed to vacate her office within 24 hours.Video courtesy of SABCTimesLIVEWould you like to comment on this article?Sign up (it's quick and free) or sign in now.Sign UpLog InPlease read our Comment Policy before commenting.