Why and/or when did colleges and universities get into the criminal justice business, specifically on sexual assault?
If a person is sexually assaulted that is a crime, a tragedy, and an outrage. It needs to be reported to the POLICE. Not "security" or "staff" or "chancellor". The proper outcome for  a student who has assaulted another student is prison, not suspension.

Report CRIMES to the POLICE.

...and if not a crime? Then leave it the hell alone.