yes it is true that they can gain permanent resident and a green card and possibly become a u.s. citizen them selves but will have to pay a hefty fine for illegally entering the country. but no jail time will come of it. only a fine.
The tourist visa is for a set time frame. You could get married, but the person would have to return home until they can get a residency visa.
Get married and he can apply for a residential visa through marriage.
Yes, it will nullify his security clearance if the illegal alien is from the wrong country. However, it won't change until it is time to renew his clearance.
How long does what take? You need to be a bit more specific.
It is possible for a Filipino in the U.S. on a tourist visa to marry an American citizen. Getting married is usually easy, but being allowed to stay in the U.S. can be more complicated in this situation and may require the help of an attorney.
20 questions from authorities.
All they have to do is get married. They had a child already, so they obviously get along!
Tourist visas for Saipan are issued by the U.S. consulate in the country you are living in. If you are living in the USA proof of residency is needed.
No.
Each country will be different so this depends. In Canada your tourist visa would still be valid.
If you are married to a US citizen but your tourist visa is expired and you lost your I-94, you should immediately apply for a new visa or return to your country. Your I-94 is filed electronically, and you can get a new copy from the Department of Homeland Security. If you don't take action yourself, you may end up being deported and not allowed to return.
From what I understand you can get married then file the I-130 and they would be able to stay. But you would still have to file certain paper work and it is a LONG process. I just married someone that is here illegal and it's alot harder than your situation. I say do it now or ASAP since they are already here legal. There is a great web site called Immigrate2us.net that can help answer ALOT of questions and offer better advice. Worth checking out.