My resident iCard is expired

More information is needed to determine your best course. An immigration lawyer can evaluate your situation.

How it will impact to obtaining US citizenship, if I was arrested twice for domestic violent, restraining order made against me

You should apply but be prepared! Obtain your file to show that all charges were dismissed and show that he was a bigamist. I appears that he may...

Can I married my fiancée?

He can marry you and petition for you. May I suggest that you consult with an immigration lawyer concerning the details.

What is the process of marrying a US citizen? I am under the DACA(Deferred Action for Childhood Arrivals)

You may certainly marry a US citizen but gettign a green card depends on certain factors. I would suggest a consultation with an experienced...

Can I apply to a Green Card my parents are abandoning?

Are you in the US? If not speak to your parents regarding a relative petition. You need to contact an immigration lawyer.

Can I still use my current last name if I petition my husband after our marriage for I-130 form. My ID's are not yet changed.

Many people do, its not unusual. Feel free to keep your last name.

There are a lot of questions here. You need to speak to an immigration lawyer.

Can you give me step by step instruction of filing nunc pro tunc?

Was your first interview with another husband? Was this your only USC sponsor?

How can I get my mother's green card if she doesn't have and ID or legal documents to verify her identity?

You can make a FOIA request to get copies. Once you have her alien registration number you can get a new green card. Also try to get a copy of her...

Should I provide Rent/Mortgage and paystubs for the last 5 years as well? or is it for the period I was traveling (6-12 yrs ago)

It says for the last five years because that is the period they will look into. It is not necessary to provide information before that time frame.