The murder of Rachel Jane Nickell (23 November 1968 – 15 July 1992) took place on 15 July 1992, on Wimbledon Common, south-west London, and resulted in a highly publicised and controversial investigation.On 15 July 1992, Nickell was walking with her son on Wimbledon Common when she was brutally stabbed and sexually assaulted. A lengthy, expensive, and controversial investigation ensued, during which Colin Stagg was charged and acquitted before the case went cold.