A killer’s girlfriend used a Red Bull can to help police find a remote shallow grave where he had buried a charity cyclist three years earlier, a court has heard.
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image captionEmma Faulds was missing for six weeks before her body was found
Soil found on boots owned by murder accused Ross Willox was a 92% match for mud at the spot where Emma Faulds body was found, a court has heard.
Police focused their search for Ms Faulds in Glentrool Forest, Dumfriesshire, after a soil expert examined potential evidence.
This included Timberland boots owned by Mr Willox, 41, as well as two vehicles.
Mr Willox denies murdering Ms Faulds at his home in Monkton, South Ayrshire, on 28 April 2019.
The 39-year-old s remains were discovered in Glentrool on 12 June.
The High Court in Glasgow heard Prof Lorna Dawson was an expert adviser who had worked with police forces across the UK and in Australia.