Can someone use their lawyer parent in family court ?

It sounds like the mother maybe precluded from representing her son based on Rule 3.7(a) of the Rules of Professional Conduct which...

Prosecutors and judges?

I suggest that you review the information at: https://www.americanbar.org/groups/criminal_justice/standards/ProsecutionFunctionFourthEdition/

What would happen to a twelve year old boy who committed second degree murder?

I suggest you see: https://codes.findlaw.com/ny/penal-law/pen-sect-70-05.html

Am I entitled to my ex husbands pension after 30 years of marriage if it is in the divorce papers that I didn’t want it ?

It sounds like you waived your right to an equitable share of his pension. But, I have not seen the agreement or the divorce decree.

My son, 20, got a UPM...he's never had any charges for anything. Does he plead not guilty?

I suggest that you review the information at: https://www.shalleyandmurray.com/adjournment-in-contemplation-of-dismissal/

Why won't they pay me for my work?

It sounds like you should be contacting the state labor department and/or the state attorney generals office.

Is it legal?

Did you accept a plea to attempted failure to register?

If you are wondering what he is facing if convicted then I suggest using Crimetime which can be found at: https://crimetime.nypti.org He...

Could my dismissed criminal case be sealed?

I suggest that you review the information at: https://www.nycourts.gov/courthelp/Criminal/sealedRecords.shtml

If a divorce action is commenced in supreme court or a child support proceeding in family court then you would be entitled to compulsory discovery...