New York City: home to world-renowned museums, theater, restaurants, iconic sports franchises. Central Park. Wall Street. And an infamous serial killer who s terrorized the Big Apple for decades.The year is 1995 and the NYPD has just graduated a promising new patrol officer named Karen Vail. The rookie s first day on the job is anything but easy when she finds herself at the crime scene of a young woman murdered in an unusual manner. Vail is unsure of what she s looking at or what it means but it s a case that will weigh on her mind for nearly twenty years.As the years pass, Vail s career takes unexpected twists and turns as does the case that s come to be known as Hades. Now a skilled FBI profiler, will Vail be in a better position to catch the killer? Or will Hades prove to be Karen Vail s hell on earth?The character who has captivated readers worldwide and who won the praise of literary giants Michael Connelly, James Patterson, and Nelson DeMille returns in a story that captures the experiences that shaped the revered profiler and made her the top cop she is today."