A husband allegedly killed a father-of-three and secretly hid his body after discovering the man was having an affair with his wife, a court heard.
Andrew Jones, 52, is accused of killing Michael O'Leary, 57, - and his body has not been found since he was reported missing eight months ago.
Jones allegedly murdered Mr O'Leary after discovering messages to his wife Rhiannon, 51, on her iPad, Swansea Crown Court heard.
Jones - boss of successful family building firm AJ Builders - was arrested days after Mr O'Leary failed to return home from work.
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