Anyone who has read crime and punishment by Dostoevsky has asked himself about the true nature of crime. Meaning of punishment and the importance of giving second chances. IN the basis of any violence lies different cause, ranging from domestic violence, violence at sport-matches through sexual predators to those who are willing to kill out of interest. to fight crime you need a good knowledge of statistics and the patterns in which a criminal act. To make a difference you need to understand the criminal.