The distant echo

From McDermid's webpage: "Four in the morning, mid-December, and snow is smothering St Andrews. Student Alex Gilbey and his three best friends are staggering home from a party when they stumble upon the body of a young woman. Rosie Duff has been raped, stabbed and left for dead in the ancient Pictish cemetery. And the only suspects are the four young students stained with her blood. Twenty-five years later, Fife police mount a cold case review. Among the unsolved murders they’re examining is that of Rosie Duff. But someone else has their own idea of how justice should be done. One of the…