Origin in Death by Nora Roberts (2006, Paperback, Reprint)

In this thriller, Origin in Death, Eve Dallas is a NY Police Detective investigating a crime of a Plastic Surgeon found dead in his office with a scaple in his chest. Now both father and son are dead and Eve Dallas is investigating this crime scene that is wiped clean. Security evidence shows a woman entering and exiting the facility. Eve's thorough investigation and gut leads her to learn that something more is going on and that the doctor was a perfectionist. Was it cloning? You won't be able to put this book down!