Young people being abused often blame themselves for the abuse, to my understanding. But yes, it would seem the thing to do is offer to talk outside of the Sacramental setting.
Freegards
YTes ... and that would certainly lead to bringing up the abuse in a confessional setting. A wise confessor would advise the victim that the victim was not guilty of sin in this case, and offer to help him contact criminal justice authorities. And yes, such discussion would necessarily occur outside the context of sacramental confession.