It follows a major legacy investigation, Operation Newham, which examined 125 murders in the 1970s.

The author, who previously lived in Newport Beach, died in Rancho Mirage after having esophageal cancer, a friend said.

Until 1975, women who joined the Scottish police force became a member of a separate ‘Policewomen’s department’. Its members were all single women, mostly left to the business of directing ...