What usually happens in this sort of situation?

That's pretty typical of what happens when you have a warrant from one county and you're arrested in another. He'll be transported to LA within...

Can an attorney file a motion to dismiss a criminal case due to lack of additional discovery after 15 months & ready 4 trial?

Speak to your attorney about this. I think you misunderstand what can result in dismissal of a case.

Can someone please arrest her?

Why is this your concern?

Why am I being suspected of welfare fraud in la county?

Perhaps you received benefits when you also received income you failed to report?

Can the judge put a DV restraining order on my boyfriend if i never went to any of the court hearings or signed any papers?

The judge doesn't need your permission to issue a criminal protective order.

How can I disqualify a Commissioner who granted a DVO for which there is no cause and I am appealing?

You can't just disqualify a commissioner because you disagree with the ruling.

Is it illegal for 18 years old to have sex with a 16 years old?

Yes, it's illegal to have sex with a minor. Penal Code section 261.5 explains this quite well.

Can a judge legally order me to book and release on a mis vandalism charge ?

Yes, the judge can do that.

Seems to me the court would appoint counsel.

Got a citation 4000 (a) (1)... can the police give me the citation if the registration was paid for but just did not have proof

Perfectly legal.