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. In 2002, with more advanced and refined forensic techniques available, Scotland Yard reopened the case, and on 18 December 2008, Robert Napper pleaded guilty to Nickell's manslaughter on the grounds of diminished responsibility. Napper, who had already been convicted of a 1993 double
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. In 2002, with more advanced and refined forensic techniques available, Scotland Yard reopened the case, and on 18 December 2008, Robert Napper pleaded guilty to Nickell's manslaughter on the grounds of diminished responsibility. Napper, who had already been convicted of a 1993 double