What drives a person to commit the unthinkable? Bestselling criminologist Christopher Berry-Dee pulls no punches as he steps into the minds of some of the most notorious killers of our time. Through chilling interviews, court documents, and firsthand accounts, he unravels the twisted logic of predators like John Wayne Gacy, Kenneth Bianchi, and William Heirens.
These are not distant monsters—they were neighbors, coworkers, and seemingly ordinary people hiding unimaginable darkness. Berry-Dee’s sharp, unflinching style reveals not just how these killers operated, but why they did.
From cold manipulation to explosive violence, each case cracks open a terrifying truth: the world’s most evil may live closer than we want to believe. Will you dare to look into the abyss and keep reading?
