More information is needed to assist. Consult with an attorney for guidance.

Depends on the nature of the benefit if it can impact naturalization.

Any number of notices are possible.

Status is not required to file for this type of adjustment of status.

They would need to become permanent residents before citizenship.

It depends on the law enforcement agency you are requesting the certification from.

You will need a waiver, which may prove difficult to obtain.

Consult with an attorney to explore specific options.

Yes you may do so once you receive EAD.

You can notify the officer of most recent trip at time of interview.