The causes of a criminal Mind Nature versus Nurture In today’s society, one will find that there are many different factors that go into the development of a criminal mind, and it is impossible to single out one particular cause of criminal behavior. Criminal behavior often stems from both biological and environmental factors. In many cases criminals share similar physical traits which the general population do not usually have. For example criminals have smaller brains than properly adjusted individuals. However biological reasons cannot solely be the cause of criminal behavior. Therefore, one must look to other sources as t