He is a tax expert who favours radical reform, but hehasnoexperience as a politician and his views are at odds with the CDU's programme, not least the plan to raise the rate of VAT.
Dr Ritchie said hehasnoexperience of seeing someone confined to one place for this length of time but he told the jury it is possible that someone in this situation would have pressure sores which could be worsened by the presence of urine.