Karin Slaughter – Criminal (Will Trent Series 6) (2012)

A woman is found brutally murdered in a sordid Atlanta apartment. But there’s something strange about this particular slaying. Her blood-soaked body bears a chilling similarity to a woman found dead almost 40 years earlier. Could it be the work of a long-dormant serial killer? Soon Special Agent Will Trent finds himself returning to the home he grew up in, and a past that could hold the clue to the killings…