Canadian Solicitor General Lawrence MacAulay said Tuesday that information from the Canadian Security Intelligence Service was shared with the FBI and led to the Ashcroft warning.

CNN: Information from Canada helped lead to alert, official says

And just one week ago, the deputy head of Canada's spy agency, the Canadian Security and Intelligence Service, Jack Hooper, told a Senate committee here that only a fraction of immigrants from high-risk areas were being properly screened.

NPR: U.S. Worries as Canada Welcomes New Immigrants