I'm sure Mexico is not providing us the manifests for flights coming into their country either.
Can't say I blame either.
Just because Canada is not watching those sites, does not mean they are not being watched.
Mexico has nothing that can compare with the Islamic centers, long and well established Islamic centers, in North Vancouver, BC and Windsor, ON. In fact, one Canadian MP just spoke of this outrage himself...finally figuring out that they could become targets themselves eventually.
"Just because Canada is not watching those sites, does not mean they are not being watched."
If would be far more effective if our good friends to the north cooperated in that endeavor so we (probably) didn't have to violate their sovereignty.