The police did not investigate the deaths earlier this year of Peter and Penelope Duff, who became the first terminally ill British couple to be helped to die together in Switzerland.

警方并没有调查今年早些时候彼得和佩内洛普·达夫夫妇的死亡，他们是第一对在瑞士接受安乐死的绝症英国夫妇。

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Chief Constable Strang was giving evidence, along side Chief Superintendent Paul Main from Strathclyde Police, Peter Duff, a professor of criminal justice at the University of Aberdeen and Gerard Sinclair the chief executive of the Scottish Criminal Cases Review Commission on the Carloway review, on Tuesday 13 December 2011.

BBC: Justice Committee 2

Peter Duff, a professor of criminal justice at the University of Aberdeen, told the committee he agreed with Lord Carloway that corroboration "could go" and stressed there were a number of "corroboration fiddles" used to get round the law and there was a lack of clarity in this "very complex area of law".

BBC: Justice Committee 2

Jose Enrique replaced Peter Lovenkrands, leaving Duff to move forward into a more familiar attacking role on the left-flank.

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