That some of the 9/11 attackers entered the US through Canada is a thoroughly debunked myth. Plus, all the attackers entered the US legally, with valid visas.

That some of the 9/11 attackers entered the US through Canada is a thoroughly debunked myth. Plus, all the attackers entered the US legally, with valid visas. The startling persistence of the myth attests to its power to support a particular side of the debate about 'illegals' or 'weak borders'. http://en.wikipedia.org/wiki/Rumors_about_the_September_11_attacks#Claims_that_terrorists_entered_the_United_States_through_Canada http://en.wikipedia.org/wiki/Rumors_about_the_September_11_a... Misinformation: rumors later shown to be false: [...] Claims that terrorists entered the United States through Canada On September 12, 2001, Vincent Cannistraro, a former CIA chief of counter-intelligence told the press that five of the terrorists had entered Maine from Canada via a ferry from Yarmouth, Nova Scotia and/or a remote border point in Saint-Théophile, Quebec near Jackman, Maine.[1] The myth was revived again in April 2009 when Janet Napolitano, the United States Secretary of Homeland Security, informed a Canadian television interviewer that some of the terrorist-hijackers who carried out the September 11 attacks entered the United States from Canada. In the same month, senator John McCain also told Fox News that some of the 9/11 hijackers did come through Canada.[2]