 With regard to campus sexual assault, nearly two thirds of students reported knowing victims of rape and over half reported knowing perpetrators of sexual assault in one study; one in ten reported knowing a victim of rape and nearly one in four reported knowing a victim of alcohol-facilitated rape.International Crime on Statistics and Justice by the United Nations Office on Drugs and Crime (UNODC) find that worldwide, most victims of rape are women and most perpetrators male.Rapes against women are rarely reported to the police and the number of female rape victims is significantly underestimated.