by John Douglas
By the mid-1980s, I'd been employed by the FBI for more than a decade and had helped create the Behavioral Science Unit at Quantico, Virginia. Using FBI profiling techniques, our unit had been pursuing serial killers from coast to coast and assisting law enforcement in identifying some of the most dangerous criminals in the United States. As we'd gained success and built a national reputation, police departments across the country had sought our help in solving difficult cases. I was consumed with this job and had few colleagues to delegate responsibilities to. More and more people wanted the FBI's help,...