The article deals with objective social determinants of sexual violence, special importance is given to the terms of this type of crime. The study was conducted by compiling the sample survey of victims of sexual violence, as well as those serving sentences for violent sex crimes or committed similar crimes in the past. Determined are the conditions of violent sexual crimes, according to the author, it is understood background criminogenic effects that are not related to the criminal activity of the individual manifestations, but nevertheless, at the present stage of development of society are considered immoral and undermining the ethical foundations of society as a whole. In this case, we can not say that they are the cause of violent sexual criminal assault, but play a significant role in the formation of the motivational sphere of life not only encroaching person, but their victims, significantly increasing the level of victimization and, consequently, facilitating the commission in relation to the crime. Among these phenomena are three main ones: alcohol abuse, prostitution and pornography. These background criminogenic phenomena - the formation of a powerful provocateur defects for socialization of the person under whose influence they had a distorted attitude and mentality. The article defines the concept of the norm of sexual behavior of the individual and can be traced to changes in the concept of the person under the influence of normal background criminogenic effects and inclusion of the individual in these extremely destructive processes. The problem of correlation of background criminogenic phenomena between the concept of norms of sexual behavior, as well as provides psychological and social characteristics of background criminogenic phenomena and to determine the degree of their influence on the behavior of the mechanism of victims of sexual violence and encroaching persons.