Boren might be concerned about a backlash from his customers (students and parents), unless ... the situation is the same at pratically every campus in the country.
All he needed to say is that this was an active investigation and he would have more details when he was allowed to talk. His arrogance got the best of him and he started spouting the depression theory which was debunked by the kid's fraternity President and fraternity brothers. The depression theory didn't fly with anyone I know.