hi, I want to know how it affects if a Mexican immigrant tries to cross illegally to USA and is detained by immigration, and when asking the FBI history appears, that crime 3 years ago, can apply for a work visa in Canada? or really is almost impossible to obtain a work visa in conjunction with a valid LMIA, it should be noted that many Mexicans try to cross every day to the neighboring country, either for economic improvement or the difficult situation that sometimes by drug trafficking insecurity causes living in mexico.