There is no specific timeline for this or even whether ICE will act.

For case specific inquiries it is best to consult with an attorney for guidance.

No a waiver will not be required through adjustment of status.

It will take about 4-6 months but refer to USCIS case processing for guidance.

She may enter to marry as long as intention is to return after visit.

Very sorry to hear this. This would not qualify as a criminal activity for U visa protection unless certain conditions exist. Consult with an...

This generally indicates that the case was approved but wait for correspondence from USCIS.

Indicate the closest USCIS service center for location.

This requires consult with an attorney for best guidance. Good luck.

Contact USCIS right away to request rescheduling.