You have absolutely no case. None. ........................................................

401k?

Yes, the marital portion of the 401k is an asset that gets divided in divorce. You should hire a lawyer to represent you in the case.

Can I reopen my child support case after I went to court to close it

Yes you can do that. You should hire a lawyer to represent you in the case.

How do you file for divorce? Will I be able to keep my home?

If things are that bad you should move out, then file for the divorce. You should hire a lawyer to represent you in the case.

What law or grounds should be referenced on a state level habeas corpus writ for contempt?

You are way over your head, get a lawyer.........................................

Can someone give up legal custody of a child to their spouse but remain married?

Yes, that can be done by a court action or by written agreement. You should hire a lawyer to represent you in the case.

You did not answer our question. We have our reasons for wanting to do this. It has nothing to do with getting a divorce.

You can prepare a post nuptial agreement. You can't just show up in any state that's not how it works. ..............................

Usually within 5 business days. ..................................................................

Will this be enough to Modify Custody?

If this person with a criminal record like that is around your child then you should file for a modification. You should hire a lawyer to...

My rights?

If you have been separated for 6 years and living on your own your chances of getting alimony are slim. You should hire a lawyer to represent you...