Location of the crime and the means has a hidden crime of domestic violence occurred within the family rather than in public places, generally difficult to people outside of the family members found a variety of forms of family violence and physical harm, but also mental torture, as well as sexual abuse, In addition to the obvious physical injury, other means is difficult to judge from the victim surfaces of some to take into account their own reputation and privacy, victims of domestic violence to cover up, some insiders also out of the traditional concept of family violence to conceal the results exposed beyond the limit of patience of ordinary people until the domestic violence or serious harm has occurred.