Psychology and the law share important similarities in dealing with antisocial behavior, allowing the interdisciplinary work in the new justice system that is used in Mexico, which is very important to measure the impact of the crime on the victim and establish with this analysis the amount of the damage repair as well as the degree of punishability, there is also many disciplines as victimology, which necessarily require the intervention of psychology and law to study the victim of a crime. Psychology is a social science that seeks to explain and to modify the human behavior; on the other hand, law deals with social coexistence, regulating some of those human behaviors through laws and codes which are essential to achieve that peaceful coexistence between people; both disciplines are social sciences that study the human behavior each in their field of knowledge.