Yes, in addition to being an illegal immigran and subject to expulsion. They would become a bigamist, subject to criminal prosecution and quite possibly a jail sentence.
Yes, assuming that the marriage is not for the sole PURPOSE of gaining legal residency.
Illegal immigrants, like regular people, fall in love and get married. They would move with their spouse because it is better for families to stay together in the same place.
they have to have a valid passport or green card. Or a work visa.
No. Illegal immigrants are not covered by the Obamacare law, and are neither subject to penalty for failure to obtain coverage, nor are eligible to purchase insurance from an Exchange (whether subsidized or not). They are also not eligible for Medicaid.
No. Immigrants must fulfill certain requirements to become Mexican nationals.
Getting married to an American citizen.
Yes They Can
Check with US Immigration office.
I believe that you're guaranteed a citizenship when you marry a citizen, but being an illegal complicates the matter.
yes
It's not illegal.
Sure.
Absolutely YES