Is it possible to find if I myself or someone else has a warrant of arrest?

Yes, it's possible. You should consult with a lawyer to discuss various methods of trying to find out.

Is it okay to report something to the police that happened a while ago?

Yes, but it will be up to the police to decide whether or not they want to pursue it.

Hey, I am a European citizen. I found a girlfriend here. How can i become a legal resident in USA ?

One can apply for a visitor visa abroad. One may consider other types of non immigrant visas, such as a temporary employment based visa.

I when to US as a tourist using different name. while am in the US i met this one girl ,she so nice and beautiful that i didn't

Fraud may have been committed, You should consult with an immigration attorney. There are severe penalties for fraud or misrepresentation.

Will immigration USA give fiancé visa to My fiance ?Because I am 50 years old and my fiancé 27 years old !!!!!

A large age difference is but one of many factors that may come into play when a consular officer makes a decision. As long as the relationship is...

Yes, one can marry. An individual may apply for adjustment of status if he/she is in the United States or he/she may apply for an immigrant visa...