This present dissertation brings forward a reflection about the connection between the social representations built regarding crime and the proneness to commit crime in the attempt to apprehend if those representations implicate in the compound of practices carried on by professionals in the medical- legal field . This research, of quantitative purpose, has sought to know how the practice of professionals in the psychiatric-penal field has developed. Having the theoretical mark of Social Representations as support, and utilizing Moscovici´s approach, it has sought to understand the reality of Hospitals who take patients who are in criminal custody and the condition of the female population, calling out the attention to the role of these hospitals in the context of the Brazilian Psychiatric Reformation. The analysis undertaken has shown different and divergent opinions among experts and the multidisciplinary team, about the presentation of proneness to commit crimes. As for crime representation, some common subjects have been identified in both groups, specially on what relates to homicide and leads them to observe the circumstances in which it occurred, if it involved planning and/if it was practiced with daintiness cruelty.