Waiting for two weeks now after green card marriage based interview but no-reply. the interview did not end on a good note

It can take some time to make a decision. Providing false information for an immigration benefit makes you inadmissible for fraud and you may need...

Can my step dad come back to the U.S. after getting deported to mexico?

When the children turn 21 they can file for him. He can apply for a tourist visit to visit them temporarily, if he can show that he will not...

Who would I contact if I suspect a tenant of being an illegal alien?

Nothing in here suggests he is an illegal alien, just that he is an alien.

Am I eligible for Green Card?

If the police will certify you, you can apply for a change of status to a U Visa.

Can I get an F-1 visa stamp while working on OPT extension?

yes.

You certainly can file on your own, and you can check the website for instructions USCIS.gov.

How can I help my fiancee stay in the US?

You may wish to get married now and file for her to immigrate from the U.S.

Expectations interview process visas F2A? 11 Sept. 2013 ?????

It's not moved for two months, and it might advance next month, or retrogress, depending on how many applications get processed.

Immigration, green card, permanent residence: Can derivative beneficiary retain priority date of his/her parents?

No, family based petitions do not allow you to recapture priority dates, but you should check if you and your mother qualify for section 204L, or...

Can I apply for Green Card Renewal Six months and 20 days prior to expiry?

Yes, but if you would like instead, you could file an I-131 reentry permit, which gets prints done quickly.