Dr Stephen Black is found murdered on a tour bus visiting Crevecourt Hall, where Hathaway's father was once estate manager so the sergeant knows the family. The murder weapon,a candlestick,is found in the family chapel and the priest once knew the victim,who was seen in the grounds a week earlier by Hopkiss the butler and Lord Mortmaigne's nephew Philip. Then the current estate manager dies,an apparent suicide,and Black seems to have known his wife Linda,who left him six years earlier.
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