It is unclear what type of visa you qualify for regardless of any unlawful presence.

Good questions for the immigration attorney being paid to represent you. Good luck.

It is difficult to answer the question since you cannot file for a visa of any type with CIS. You can file to change status and that appears to be...

That depends on whether they can get B-2 visas.

The STEM OPT is unrelated to your AOS EAD. So once your OPT ends, that is all the work authorization you have until the AOS EAD is issued.

Assuming you are a US citizen, you will need to petition independently for all three of them. That entire process (including CIS, the National...

Yes, there are immigration consequences so you need to consult with a Board Certified criminal defense attorney attorney. Thanks

Excellent question for the attorney being paid to represent you.

Unfortunately, the grand-parent/grand-child relationship does not provide any US immigration options. thanks

Excellent questions for the attorney who is being paid to represent you. And, yes, you need a new labor certification since you changed employers.