A forensic psychologist answers true crime fan questions and reveals the terrifying truth behind the world's deadliest serial killers.Serial killers haunt our dreams and inspire the terrifying villains of TV shows and horror movies. But how much do you really know about the minds behind the world's deadliest killers? What drives these murderers to kill and kill again? And what fuels our fascination with the true stories of their horrific crimes?Now forensic psychologist, private investigator, and crime writer Dr. Joni E. Johnston brings you the answers to these questions and more! Serial Killers: 101 Questions True Crime Fans Ask dives into the case files of the most infamous murderers in history, and answers the questions true crime fans have been dying to ask . . .