Can The US Marshals enter my residence thru my open door garage to arrest my brother in law since he is an illegal with a record

Unless he was actively being chased, you are correct that they must have a warrant. Your brother in law needs Board Certified immigration and...

EAD Renewal

You must prove you are in valid status to get an EAD. Also, AVVO is for people who may need an attorney and since you have one you should be...

I'm planning to go for 1 month vacation to Vietnam and coming back,I'm a legal permanent resident and have ten years green card.

The lawsuit has nothing to do with your immigration status or entering the US.

The EAD and advance parole, assuming you can use it, should take about 90 days, give or take a month.

Reference letter for i140

Yes, that is a problem with an easy solution. But you have an immigration attorney so you should ask him/her. AVVO is for people who might need an...

Question regarding renew my green card

If you are still married and living together, you can file 90 days before the expiration date but not after the expiration date.

Revokes visa adjustment of status?

There absolutely will be a huge problem you need to consult with a Board Certified immigration lawyer and file an FOIA request immediately.

Question about income on H4 visa?

Yes, as long as his EAD is valid he can work however he wishes.

I-140 approved in 2013, H1 Extension currently filed (Expiry - July 2017). Can I change employers now?

You can file a new petition as long as you are in status, which you will be until July. Once that petition is filed you can immediately begin work...

Filing for Parent GC while visiting US

You can do that after she has been in the US for at least 60 days. And she will get travel authorization about 90 days after you file.