What are my options?

It sounds like you want to stay away from her it seems problematic

Can I sue my ex for not paying the loan I cosigned for?

I guess you could sue but an oral agreement is hard to prove.

Does Federal variances exist??

Not sure what you mean by variances here but your son is in a world of trouble here and is looking at decades in jail. He needs legal help right away.

Unlikely you will go to jail. Look on this website for a local AVVO lawyer. Good luck.

What charges do you face if you steal checks and cash them. Also forging there name

A bunch of charges call the police and make a report right away.

Will I be able to terminate my probation early, In order to enlist in the navy?

Great move for you and your country. Go for it.

How do I find a lawyer to represent me in a Federal lawsuit that has been filed seeking $10 million in damages?

Any lawyer if if is a good suit. Based on what you are saying there is not enough info to know.

In Pennsylvania are you off parole the morning of your termination date

It is not official until it is official. So you should be wary of your idea.

How impossible is it to take custody from a mother?

It is very sad. Looks like CYS will place in a foster home. You can apply now to see if you can be the guardian. Good luck.

What are my options?

I would say that you probably will not win the case and you will know next time not to have people you can't trust help you.