What Have We Learned From Serial Killers?

"Most police investigators will argue that anybody can become a criminal type simply by committing a crime and being processed through the justice system.  We are hypothesizing, however, that serial murdering is a form of disease rather than a lifestyle, a syndrome that has specific hard and soft signs that are symptoms and identifiable long before the potential murderer commits his first homicide.  The disease is the most ultimate form of episodic aggression." ~ Joel Norris, Ph.D. (from his ...