This is episode one of Rough Diamond, the new investigative series from Always True Crime. It starts in the 1960s when London was in the grips of a crime spree…rare diamonds are being stolen. The latest is the Colenso diamond. It’s the world’s largest uncut diamond and one of the Natural History Museum’s most important pieces. When a young window cleaner is arrested a few months after the theft, his family is thrown into turmoil. David Knight will protest his innocence until the day he dies, but it’s the start of a much bigger story. You can listen to the next episode by searching for Rough Diamond or go to http://alwaystruecrime.com/
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