'BBC' Shaken baby syndrome: Waney Squier defends record

A medical practitioners tribunal ruled on Friday that Dr Waney Squier gave misleading and dishonest evidence when she acted as an expert witness in six cases involving parents accused of harming or killing their children. One of the country's very few neuropathologist, she may now may be barred from practising. But her defenders call what she's experienced a "witch hunt". John Sweeney reports.