What do you suggest I do?

You were the driver so you are liable. You may be charged with hit and run even though you didn't hit and run. Meet with the detective. I recommend...

No. You can't do pre-trial diversion in Atlanta if your speed is over 85 mph. Your best bet is to bind the case over to Fulton County State Court....

Once bonded, can charges be added and the inmate held?

Yes. This happens often in the criminal justice system.

I agreed to a Plea Deal 18 years ago to a cocaine charge. Which i didnt have, but took the plea just being a kid with no money.

Please see my answer to your other question.

Do I have a case?

No. You have absolutely no basis for a lawsuit.

How do I find a criminal defense lawyer?

Keep trying different lawyers until you find one who is willing to work with you.

How long does it take to transfer an inmate from one state to another?

They usually drive inmates so it could take quite some time to drive him across the country.

Is the plea deal we have been offered reasonable?

If your son was not the owner of the vehicle, the driver, and did not claim the marijuana as his the prosecution is going to have a very hard time...

Do I need a lawyer for my son?

Use Google to find an experienced criminal defense attorney in your area.

Am i eligible for a non violent felony to misdemeanor reduction after 18 years on the straight and narrow. Never been to prison.

If you have already been convicted you cannot get a reduction. You need a pardon. If this is a new charge you may be able to get it reduced.