SERIAL KILLERS A serial killer is a person whom everybody knows as a friend, a lover or even a father but no one knows about his killer instinct until it’s to late. Serial killers have plagued this country and others for many years. They are hard to find and virtually undetectable until they start murdering the innocent. Serial killers are usually young, white males who are quite intelligent and often come from broken homes. They may have been abused either physically or sexually during childhood and they have serious personality defects, such as low self-esteem and a lifelong sense of lone