Can a felony (closed) juvenile warrant pop up in a FBI lvl 2?

Yes, your juvenile records can show up on your FBI rap sheet during the background check.

Can my daughter change her J2 or her B1 status to F1 without going back to her home country?

Depends on whether she is subject to 212(e), in which case she cannot change status within the US. If not, a B-1/B-2 to F-1 is possible, but only...

Can I get k1 Visa even if I've been previously denied entry under ina section 217?

Section 217 relates to Visa Waiver program, and it sounds like you might have been refused entry, either due to failing to comply with terms of a...

Adjustment of status

If your case is denied while you are abroad, your advance parole is invalidated automatically. Whether or not your case will be denied is not...

My N400 application to become a us citizen was wrongfully denied, is it worth it to do an appeal n336?

If all of the information on your N-400 was correct, it sounds like this was USCIS error. You cannot file the N-336 if you did not have an...

The DHS trial attorney can indeed ask you about past filings, particularly if there are any red flags raised in that attorney's mind. It sounds...

Does he have to wait for the actual Green Card to arrive?

Do you mean an immigrant visa in the F2B category? He try to get an Infopass appointment and ask for a temporary I-551 stamp on his passport while...

How can I apply for a passport for my son and his father was an illegal from Mexico and supposedly passed away there?

You can apply using DS5525 (Statement of Exigent/Special Family Circumstances0, explaining the situation with the father.

Por lo visto, un número de visa está disponible para el beneficiario de la petición (hijo soltero y mayor de edad de padre/madre estadounidense). ...

Does it worth to try to extend b-2 tourist status if the person got arrested for felony?

The filing must be TIMELY, which means that it needs to be properly filed (ideally by an immigration attorney with an understanding of criminal...