Deportation and Criminal Status?

My colleagues are correct. Also, I suggest that you consult with an experienced immigration attorney about your case.

How COVID19 government help could effect on green card process?

Should not be a "public charge". But consult with a lawyer

The new employer has to file the PERM and I-140 applications

Does the new Trump immigration policy affect those who waiting for green card INSIDE USA?

There is no impact. Only applications at US Consulates.

You can write it in. I suggest that you consult with an experienced immigration attorney about your case. The success rate with this application...

Can applying for unemployment have any consequences in future when applying for siblings to migrate to US via chain migration?

My colleague is correct. Consult with an experienced immigration attorney

Can one file EB2-NIW concurrently with another EB2 class AND EB3 ?

There can be multiple cases. Consult with an experienced immigration attorney about these issues

What evidence would we need to submit?

I suggest that you consult with an experienced immigration attorney about your case. T

My colleagues are correct. Also, I suggest that you consult with an experienced attorney about your case.

My green card expired two years ago, what's is the process to renew it? Do I need a lawyer or I can just fill the Renewal app?

My colleagues are correct. Retain an experienced immigration attorney ASAP!