Seal of the Federal Bureau of Investigation In criminology, a<unk>  is a type of serial killer classified by unorganized and spontaneous acts of violence. The distinction between "organized" and<unk> "<unk> s was drawn by the American criminologist Roy Hazelwood. These profiles were also studied and modified in the FBI's Behavioral Science Unit located in Quantico, Virginia. By classifying these<unk> s into different categories, the FBI is able to track down<unk> s by studying their behavior and habits. One well-known example of a<unk>  is Jack the Ripper.
Disorganized offender
Bullying in medicine
De facto denial
Self-cannibalism
Violence
Youth suicide
Commissioners in Lunacy
Fulminant