article_snippet: Prosecutor Roger Thomas QC had told Cardiff Crown Court how her 77-year-old husband Walter picked up the kitchen knife from a sideboard 'five feet away' during an argument with his highly-educated stepmother.
article_snippet: Prosecutor Roger Thomas QC said: 'the kitchen knife was clearly a household knife and was in the room and when murder took place. '
article_snippet: It was obviously picked up in the course of the incident that took place.'