I've always been interested in cold case stories. There is something about the historic nature of the crimes and the dogged pursuit of justice for the victims that fascinates me. Someone has gotten away with murder for a long time, and is just out there living their life. That's hard to reconcile. These ideas form the premise for Val McDermid's Karen Pirie series. DCI Pirie heads up a Historic Cases Unit in Scotland and battles to keep the unit going with police interest in c