Thank you!
This whole information exchange thing is very new and I have just found more about it. I stumbled upon this facebook post, part of it says:
"Canada will screen more than a million visitors, refugee claimants and would-be immigrants per year using confidential files from Australia, New Zealand, the United States and the United Kingdom.
The expansion of the so-called “Five Eyes” intelligence network was authorized under Canadian law earlier this month. It allows the five allies to automatically swap immigration information based on fingerprints or other biometric data.
Details about how the new system will work were revealed this week."