Contacted by detective. Don't know what to do next

Call a lawyer, not the detective.

How to properly challenge jurisdiction of the court?

You didn't explain why you think the Superior Court lacks jurisdiction. If your explanation includes the words "sovereign citizen" or "corporate...

I have a church who is a non profit. Organization (501c) that is donating to me several million dollars.

Why on earth is a non-profit giving millions of dollars to an individual? The IRS is going to be all over that and even if it survives scrutiny...

How long does the State have to issue me a date for recorders court?

That's not long at all, and you aren't going to have a jury trial in Recorder's Court anyway. All you can have there is a bench trial, and you'd...

What are the chances of being found guilty of obstruction/preventing an emergency call and serving time?

Whatever your chances are, they are better WITH an attorney than WITHOUT one. But without knowing anything about her prosecutor, judge,...

What evidence is required to substantiate abuse of process?

So there were no other charges lodged against anyone in the vehicle? The officer just took your firearm and won't return it?

Is it a criminal offense to utilize constitutional rights?

No, refusing to speak to the police about something that might incriminate you cannot be the basis of a crime. Were there any OTHER charges lodged...

Sign over his rights . . . to whom? Until a real man comes along willing to adopt and care for those children, they are your deadbeat ex's...

The district attorney has subpoenaed me to testify

You can obey the subpoena or you can wind up in jail. Those are your options. You should address your concerns with the DA. The Gwinnett DA's...

Can I have my public deffender replaced if I feel like I was wrongfully represented

You are getting all the legal representation you're paying for, which is nothing. Take your case seriously enough to find a way to hire a lawyer...