This is an interesting article on why you should call mommy and daddy if the RIAA raids your dorms.
Significantly, these cases are not always open-and-shut. A student's computer may be used not only by the student, but also by a roommate, girlfriend or boyfriend, classmate or fellow fraternity or sorority member. Thus, if illegal downloading occurs, the student is not the only possible culprit.
Just a refresher, it'll probably look something like this: