This advice for handling a Title IX complaint in a university sounds like the exact advice I give about police investigating you or anyone you know about a criminal complaint: always have a lawyer and don’t tell the police a goddamn thing. And if you must tell them something, always have a lawyer review it, approve it, and record it.
The police are not there to help you. They are there to make arrests and to hurt people.
Title IX office university reps can’t make arrests, but sounds like they and the police are about the same.