By judicial declaration from the court of appropriate jurisdiction. You file a petition for divorce with the clerk to get started.
You have to begin his naturalization process so he can enter US soil again.
No, in most countries it is illegal (a crime) to marry someone that is still legally married to another person.
Leave and return legally before she is caught.
yes he can still get married
The marriage is still valid. If he has been deported and he remarried, and you can prove it, you may be able to petition a court to grant you a divorce based on the situation. He may also be subject to polygamy laws in his country. Consult a good attorney in your jurisdiction.
NO
If you are in a country illegally, and are arrested for a felony, you MAY be deported.
If you are already legally married and "got married" in another country you are committing bigamy, which is a crime. It can get you deported and even jailed. Also, your second "marriage" is invalid.
No
they got divored two years ago because of money problems and a fight over their pet rabbit. It's name was urmomma
They were either murdered or escaped
Cattle cars on trains