Organized versus Disorganized

After years of research, Ressler began to divide his killers between organized and disorganized killers. Of course, as with anything in profiling, these categories are somewhat fluid and people don't always fit into one category neatly. Dahmer for instance, or Kemper, looked to be "mixed" in that they had characteristics of both the organized and disorganized type. The organized killer things through his murders or rapes. He brings a murder weapon with him, he often drives to the scene of the crime and he picks his victims based on some sort of criteria. The disorganized killer is almost completely mentally deranged and has trouble driving. He usually finds his victims randomly, often because a voice told him to kill them, and he tends to walk to the crime scenes. There is less sign of premeditation in the disorganized killer. The organized killer tends to be more...