You will have to follow up with them to request that they reissue the visa. The security clearances and medical have likely expired, so your...

Waiver for what? You do not need a waiver for being arrested. You may need a waiver for a conviction. There is no waiver for controlled...

If it is a conviction for a simple possession of under 30 grams of marijuana, it should not be a problem. Otherwise, it will generally prevent...

Yes, E2 investor visa, and no, if your J1 was not subject to 212(e) then you were not in the US on a J visa subject to two years home residency.

I suggest using only an original, or a stamp in your passport. I do not know how CBP will react to a photocopy.

Adultery is not a basis for deportation. Living in the U.S. illegally is a basis for deportation. If this individual has no status, they can be...

Yes, your prior immigration history will be relevant if you remarry and apply again for an H4 visa at the U.S. consulate abroad.

Notify the embassy about the children and they should be able to immigrate together with you. You will need to get them added as dependents.

You can file for her now, or later. It is completely up to you and your mother, and depends on her travel plans.

You should contact customer service. They seem not to have matched your new I-140 EB1 to the I-485 application.