Footloose — Val McDermid

He was a clinical psychologist who specialized in unraveling the motivations of the twisted killers who wanted to express themselves again and again. She was the kind of detective for whom justice matters more than any other consideration…

In this short story from the thrilling anthology MatchUp, bestselling authors Val McDermid and Peter James -- along with their popular series characters Tony Hill and Roy Grace -- team up for the first time ever.