The year is 1896. The city is New York. Newspaper reporter John Schuyler Moore is summoned by his friend Dr. Laszlo Kreizler—a psychologist, or “alienist”—to view the horribly mutilated body of an adolescent boy abandoned on the unfinished...

June 1897. A year has passed since Dr. Laszlo Kreizler, a pioneer in forensic psychiatry, tracked down the brutal serial killer John Beecham with the help of a team of trusted companions and a revolutionary application of the principles of his...