All this stuff about what may or may not happen in the course of the investigation and the subsequent questioning is the equivalent of trying to solve an algebra equation by chewing bubble gum. It's stuff out of your control.

Focus on what you can do. What info can you provide that that will help the investigators?

What can you do for you out there?

Focus on that stuff.

You have no control over your WW's actions, thought process, or what may or may not happen during the investigation.

Thinking of that stuff can consume you and it will get you nowhere other than distracted and depressed.

Please take care of yourself. It's all you can focus no right now.