U.S. Border Patrol agent Paul Nordstrom peers through binoculars as he observes a well-known smuggling and border-jumping spot near Blaine, Wash., Jan. 31, 2005.
Canada's welcoming immigration policies and limited border enforcement have long been the subject of scrutiny from Americans, who fear a terrorist claiming refugee status could lie in wait to carry out a mission down south.
(Photo: AP)
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