You should always remain silent and insist on having an attorney present during any police questioning.

When your arrested when do they have to inform you that its a detention and not an arrest?

You can use that paper to ensure that the record of your arrest is changed to reflect a detention only. Consult an attorney for assistance.

You can always ask. But, there is no guarantee your request will be granted. Consult your attorney before doing anything.

What kind of sentence is my son looking at?

Your son desperately needs substance abuse treatment. Even if he avoids prison, the Meth will likely kill him faster than prison would. He also...

Is it illegal to tell somewhere where to go to buy something illegal?

Yes. You could be convicted of aiding and abetting. Depending on the facts, you could also be convicted of soliciting or even conspiracy.

If my court case was dropped in court would it still show up on my record ?

Do a Live Scan of yourself and see what comes up. If something does, consult an attorney for advice on dealing with it.

What does it mean when they tell you your decision was sent back to editing

If you went to court, you must have a lawyer. He's the one you should be asking.

Have your attorney ask to put you on a payment plan or see if you could do jail time, home detention, or some other alternative sentencing in lieu...

What is an investigatory file and why would a case be put in one?

If that's what the Innocence Project said, ask them.

The answer depends on the specifics of your case. We don't know those. Your lawyer does know. Ask him.