Can someone​ sign​off your bond after they co sign

Yes they can file an surety to surrender if you violate the terms of the bond.

Can I get my car back?

Perhaps, what was the terms of the sale? As is no warranty yes.

I was advised to sign an affidavit of non prosecution in an assault charge against my fiancé. Does MO have this?

He should run not walk in hiring a local Criminal Defense attorney to get this case dismissed or try at least.

If I paid for a bond with personal money, can I ask the courts for the money back?

Sorry you are in this situation and hurt yourself my giving all your money to another. You may get the bond money back after his case is concluded,...

Can I be arrested for failure to make Payments and not return rental Property to rent a center

Yes you can best to return the items........................................

Can a warrent be put out for my arrest for the same charges iv already bonded out on

Not for the same charge but violation of bond conditions or if surety surrenders the bond then yes.

Can my ex wife sell or trade in her if her and myself name is still on it?

Well she did and it was illegal....................................

What are my options when i am part owner in vehicles listed in a succession were sold without my knowledge/consent

Sue them in Court hire a lawyer...........................................................................

Call the Navy and ask........................................or get on their website may guide you where to report.

What steps can I take when I feel a repossession crew broke the law...breach of the peace

Report the property damage and threats to the to the police sue them................................