Summary: Ruairidh continues his tale about the death of a policeman at the end of the Nineteenth Century. It was near Abernethy in Strathspey. There were two officers – John MacNiven and Thomas King. They wanted to collect money from Allan Macallum. Find out more in this week’s letter. Accompanying text is available in both English and Gaelic at bbc.co.uk/litirbheag