retirement, he wrote the definitive book on forensic criminal investigation. But that book will come back to haunt him. It will help NYPD detective Ben Bradley track him down. And it will take him to a rundown New York hotel room where the body of a woman is found facedown in a bath of acid, her features erased, her teeth missing, her fingerprints gone. It is a textbook murder – and Pilgrim wrote the book. What begins as an unusual and challenging investigation will become a terrifying race-against-time to save America from oblivion.