British broadcaster Fiona Bruce tells the untold story of Rachel Nickell who was murdered on Wimbledon common in July 1992.
Rachel Jane Nickell was brutally stabbed while walking on Wimbledon Common, despite huge media publication and a man being charged then acquitted the case went cold.
It's wasn't until 2002 that the case was reopened thanks to advances in forensic technology. In 2008 Robert Napper was charged and pleaded guilty to Nickell's manslaughter on the grounds of diminished responsibility.
