The Most Dangerous Animal of All: Searching for My Father . . . and Finding the Zodiac Killer

Gary L. Stewart, an adoptee, began searching for his biological father after being contacted by his birthmother at age thirty-nine. Over the course of a decade, Stewart pursued leads through government records, news reports, and conversations with his father's relatives and friends. His investigation uncovered forensic evidence and other clues that led to a startling conclusion: his father is one of America's most infamous and still-wanted serial killers. Written with journalist Susan D. Mustafa, this book combines true crime investigation with memoir, documenting Stewart's search and the discoveries that forced him to reconsider everything he believed about himself and his world. The narrative follows the complex trail of twists and connections that emerged throughout his hunt.