A BRITISH diplomat is playing super sleuth to help solve the mystery surrounding a Scottish sailor whose grave he found on Mauritius. Keith Allan, the UK High Commissioner to Mauritius, started his investigations after coming across the resting place of John Fairfull – a seaman from Airdrie who drowned off the paradise isle, aged 21 in 1952. The Scot had been en route to the Monte Bello islands to help conduct the first British nuclear bomb tests. Glasgow-born Mr Allan managed to contact Mr Fairfull’s family through Twitter to help shed light on their loved one’s life and death. Civil servant Mr Allan, 52, said: “The family has taken a great deal of comfort from discovering more of the story behind their uncle John’s life and death.