An uncertain place - Fred Vargas

When Commissaire Jean-Baptiste Adamsberg, the chief of police in
Paris's seventh arrondissement, is called to the scene of a ghastly and
highly unusual murder, he thinks it can't have anything to do with the
nine pairs of shoes and severed feet discovered outside of London's
Highgate Cemetery just a few days earlier. With the help of the
murdered man's gifted physician, Adamsberg delves into the victim's
disturbed psyche and unexpectedly finds himself on a path that takes
him deep into the haunted past of Eastern Europe, where a centuries-old
horror has come to life and is claiming victims far and wide.