He was the smiling neighbor everyone trusted. The contractor who fixed your porch. The clown who made your children laugh. But beneath the floorboards of his suburban Chicago home lay the truth that shocked the world.Devil in Disguise: The True Story of John Wayne Gacy - The Killer Who Hid in Plain Sight peels back the mask of America's most terrifying predator - a man who fooled friends, family, and even police while committing some of the most chilling murders in modern history. Drawing from real interviews, trial records, and haunting recollections from detectives and survivors, this book reconstructs the unimaginable double life of the killer next door.Follow the trail from Gacy's picture-perfect community life to the discovery of the crawl space that would redefine evil itself. Witness the psychological unraveling of a man who wore a smile as armor and horror as habit. Step into the investigation that changed how the world understood trust, deception, and the darkness capable of hiding behind charm.Raw, unflinching, and deeply human, Devil in Disguise goes beyond the headlines to explore not just how Gacy killed-but how he was able to keep killing for so long.If you think monsters live in the shadows, this book will make you think again.