Yes, you need a Mexican passport to travel to Mexico if you are not a Mexican citizen.
Yes, you need a Mexican passport to travel to Mexico.
No, a Mexican citizen cannot travel to Mexico without a passport.
If in Mexico travel north. There is a border crossing. Pass that and you are in the US
Mexicans that hold a Mexican Passport can travel to the nations that Mexico has diplomatic relations, in some cases Mexicans may need a visa, if they are going to the USA, Canada, and others, but for instance you dont need a visa if you are Mexican to travel to Europe.
Yes. Deportation is a status held within American authorities.
no visa at all
Yes you can, but you need to apply for a visa issued by the Mexican government.
Yes, but you also need a Visa issued by the Mexican government.
Yes.
If you were born in Mexico, you are Mexican. If your mother OR your father was born in Mexico, you are of Mexican descent. If your parents' ancestors were born in Mexico, you are of Mexican ancestry.
Yes, you do not need a passport to fly within Mexico if you are a Mexican citizen. However, if you are a foreigner, you will need a valid passport to travel within Mexico.