You should file a police complaint as they should not be keeping your green card from you. You can file an order of protection so they do not hurt...

Yes it's possible but it may be tricky as F1 is a nonimmigrant intent visa. Moreover maintaining status may be difficult. Do consult with an attorney.

Can I go for consular processing for employment based greencard and my spouse adjust status?

Your spouse can adjust after you consular process. I advise you to get a legal opinion regarding the marriage issue mentioned by my colleague.

My Form I 765 application is delayed beyond 90 days, what are my options?

Place a service request with the USCIS. You should get an answer soon if it has been more than 120 days. You can also call and request the case get...

If I commit a crime, where am I going to be sent?

It depends upon the severity of the crime. You may or may not get put in removal as a result of the crime. Sometimes even if you are not put into...

Yes, as long as you are marrying for the right reasons, you can remarry and apply for the green card as his spouse.

Yes you can change employment under these circumstances. Be sure to maintain proof it any.

Can I apply for EAD through i-485 right after I applied for OPT?

Yes should be ok to do. Avoid entering on F-1 after I-485 is filed.

I and my wife are US citizens, can I sponsor my in-laws for a visiting visa? or my wife has to sponsor her parents..?

Anyone can sponsor for visiting visa. Sponsorship for visiting visa is not required if the intending visitor has sufficient funds to cover travel...

It is not normal. I would recommend doing a senator inquiry. Good luck!