A judge is expected to start summing up in the trial of Patrick Curran, the man accused of murdering Cornish pensioner Joan Roddam.
The 74-year-old's body was found in a field close to her home at Delabole in 2003.
The trial has been highly unusual because Mr Curran has refused to enter a plea.
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Some 20% of carriageways in England and Wales have less than five years of life remaining before they become unusable, researchers said.
Icy conditions expected after a freezing night. The far west will enjoy sunny spells while the rest of the region sees increasing cloud.
Icy conditions expected after a freezing night. Early cloud will break up leaving sunny spells, light winds and temperatures at 8 degrees.