The Sunday Times has denied claims that its former editor's ex-husband Advocate Rudolf Mastenbroek was the source of its Sars stories.
Stephen Grootes on Thursday spoke to Prof Anton Harber about what this debacle means for the media.
Listen to the conversation below:
Journalists have to be extremely careful in using unnamed sources... It's a lesson in how you have to double check when you have an unnamed source inside an institution like Sars.— Anton Harber, Wits journalism professor