Shadows of Frenchmen: A Jonathan Gray, M.D. Mystery

On a frosty Sunday morning in February, Dr. Jonathan Gray, Coroner of Orleans Parish, faces a gruesome sight. A dead man splayed against the circular steel and cut-glass blocks of the city's AIDS memorial in Washington Square Park has strange symbols carved into his forehead and chest. A coded note-a cipher-has been placed under one hand. The body mutilation and note are hallmarks of a serial killer dubbed by the news media as the "Mardi Gras Sweeper," because he strikes during Carnival sea...