Can I return civil demand letters?

How about putting them in the recycle bin

Can i get my ex to have only supervised visits if he has dwi and other background charges like possession of marijuana ?

You will need to go back to court and modify the visitation

How long does it take when a probation officer files a issued warrant for ur arrested.?

Probation officer doesn't issue the warrant. The DA prepares a motion to revoke and the judge issued the arrest warrant

Serious charge to make sure it does not follow you for the rest of your life hire an attorney

Case outright dismissed expunction. Deferred adjudication probation non-disclosure. Conviction out of luck

You have a major issue as you are probably looking at a motion to adjudicate on top of the new charge. Time to get a lawyer

What do I do?

I would suggest that before you turn yourself in that you have a friend or relative at the jail with you with the $1000 cash for you bond

Can a another judge besides your original judge extend your probation?

If it is agreed to then any judge can sign order. If it is contested only judge of court were case originated can

Sounds like a good opportunity to get on your PO good side

If my wife goes to trial I am suppose to testify against her but I wont. what kind of jail time am I looking at

If you are married there may be a married exception to you having to testify. Talk to her lawyer