Other not permitted immigrant surrounded by the US?

What other illegal immigrants walk into our country by the thousands? I know in that are illegals from different countries but how did they sneak in? I think those are the ones who originally had visas and consent to them expire (maybe ?). The illegal Mexicans don't bother with paper work. They lately brazenly walk or swim over the border.
Answers:   
cubans, illegals from el salvador and other latin american countries, no matter where they are from, deport and punish all!
bob is right...I live near the northern border and know lots Canadians that come here to work. I don't know if they are illegally here, but I guess being tourists they are not authorized to work.
Unfortunately your question will rise like mad of racist that assume that if a person is brown and speaks a foreign language (Urdu, Spanish) automatically ASSUME they are illegals. But they don't know (or care) that there are Canadians, Croatians, Serbs that come to the country immorally too.
Th northern border is totally open, except few ports of entrance
Basically we have illegals from every nation, they draw from in by various mean permit us not educate them how to get in.
They can come from South America, Central America but also some people from different countries that can't obtain Visa contained by U.S. get a visa to mexico or Central America and then sneak in from nearby.
They are an economic drain and a threat to US security! Close the borders!
There are thousands of miles of unprotected border to the north. Canadians,adn others can way of walking north into Alaska as well. It is not illegal to be a Mexican
40% of visa holders over stay and become illegal
Most illegals come within over our southern border so it makes sense to close and secure that one. It doesn't matter what residency illegals are, let's find and remove ALL of them.
Just an FYI...it's not really our dream to walk over illegally into Alaska, nor the rest of the United States. If we be to sneak into your country, it would be south of the border. I'm sure there are very few Canadians who want to illegally come into the USA and if they do, they're seriously demented. It's more approaching the other way around and we would treat Americans or any other nationality with respect. I choice the US would realize that it's not everyone's dream to come to the US. Those dreams died along time ago for many, especially since your country is self-destructing.


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