Crime theories can be grouped into four categories: biological, sociological, psychological, and social-psychological. Each of these theories have assisted the criminal justice system by providing specific knowledge and data that has been helpful with the establishment of laws (specific laws that fit the crime of domestic violence such as the stalking law), sentencing practices (different punishment guidelines for acts of domestic abuse that differ from non-domestic situations), and social policies (aid and education for abuse victims) (Greene, Heilburn, Fortune and Nietzel, 2007). In addition to existing theories, new theories are developed based on the research concluded from studies involving crime victim statistics and punishment of offenders. These theories
Crime theories can be grouped into four categories: biological, sociological, psychological, and social-psychological. Each of these theories have assisted the criminal justice system by providing specific knowledge and data that has been helpful with the establishment of laws (specific laws that fit the crime of domestic violence such as the stalking law), sentencing practices (different punishment guidelines for acts of domestic abuse that differ from non-domestic situations), and social policies (aid and education for abuse victims) (Greene, Heilburn, Fortune and Nietzel, 2007). In addition to existing theories, new theories are developed based on the research concluded from studies involving crime victim statistics and punishment of offenders. These theories