Christopher Edwards has told the jury at Nottingham Crown Court that when his wife, Susan Edwards, told him she had shot dead her mother, he wanted to go to the police but agreed not to when she became stressed.
Edwards claims she became agitated and that she said:
We can't. It's matricide. It's my mother. They won't understand.
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Into the evening it will remain dry with the best of the clear spells in the west.
Some evening sunshine, although low cloud will spread from the coast into many areas early in the night.
Mr Parnell, from Sileby in Leicestershire, was celebrating his first wedding anniversary.