Title: The Slaughterer - Franz-Olivier Giesbert - book
Summary :
After the discovery of a severed head in a briefcase, Marie Sastre, a vegetarian police commissioner, is put in charge of an investigation that will lead her into the world of slaughterhouses and hospitals in Provence and Normandy. Who is the man kidnapping young girls in the Seine Valley? Is there a connection between these crimes and the head transplants performed by a mysterious doctor? Should we believe in the transmigration of souls theorized by Greek thinkers? In her search for the truth, Commissioner Marie Sastre will go from discovery to discovery until the final twist. A gripping detective novel under the sign of Pythagoras.