On the very same day that little Kim Roberts was murdered an unknown killer burst into the Darwin Road, Newington, south-east London, home of Mrs. Freda Knowles, 67, tortured her, raped her vaginally and anally, then suffocated her. Police files record it as one of the worst cases of a sadistic sexual attack that they had ever encountered in London. Her killer was never caught. UK Murder Stories from True Crime Library.

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