Making a Police Matter into an Employment Matter
As we are seeing, it doesn't work well.
Harrassment, unwanted comments, touching, advances and suchlike are generally workplace matters that can be referred to HR.
Drugging and rape are for the police to handle. HR is simply unequipped to take over a criminal situation from the police.
Yes, the lady dropped the ball by not immediately calling the police or at least a rape crisis support center. Now that the criminal case can probably no longer be
made, she's trying to to get HR to play cop.
That said, waking up while still drugged and not knowing what happened, she was likely not fully rational at the moment. People are rarely at their best in a crime or accident scene. They are almost always taken by surprise.