YES! You will be arrested at the border if you attempt to re-enter the U.S. You need to retain an attorney to appear in court for you to ask the...

What happens when the father is murdered over a child custody dispute?

Nothing more happens.

You can’t hide anything from the court itself.

Can you remove something listed on the OC Sheriffs database when your name is searched?

If you were never convicted, what was “expunged?” Bottom line, no, you can’t have it removed.

Not unless you’re a licensed attorney.

Can I sue Ca DMV for not providing my drivers license in a timely manner?

No, you cannot sue the DMV for that. LOL.

Could I find out the reason she did this without going to court?

I don't see how going to court will help...

Keep trying.... Oh, and YOU should get some counseling too and even a self-defense class.

Will a san diego P.D. have a high chance of success on a motion to suppress evidence citing US v Scott, 450?

Search and seizure motions are highly fact specific. You'll need a skilled and experienced criminal defense attorney to have any chance whatsoever.

Yep. You could have problems.