Snippets: There is a growing body of evidence indicating that terrorist groups have been operating effectively in Canada by taking advantage of Canada's liberal immigration and political asylum policies and the porous Canadian-American border.
According to an August 2002 report of the Canadian Security Intelligence Service (CSIS), "… with the possible exception of the United States, there are more international terrorist organizations active in Canada than anywhere in the world.
I’m originally from Vancouver, BC. That’s old news but very relevant. Try Googling how easy it is to gain refugee status in Canada than actually applying AND gaining citizenship..