Criminology is a scientific study of crime. It includes causes of crime and how to prevent them. The responses from the law enforcement bodies are also included. It is a sub group of sociology which is a study of society and human behavior. Criminology takes information from many other fields like biology, psychology, anthropology, economics etc. Criminology is a complete science so it has its sub groups. These are Criminalities, Penology, Feminist Criminology and Biocriminology.