Yes, and vice versa, lets say the RCMP needs someone sent to Syria for 'questioning', then they'd phone the FBI and tip them off that such a person is coming to

Yes, and vice versa, lets say the RCMP needs someone sent to Syria for 'questioning', then they'd phone the FBI and tip them off that such a person is coming to the US. And the FBI would promptly send them to Syria for 'questioning' of course also ignoring their citizenship and duty to deport people back to their country of citizenship. http://en.wikipedia.org/wiki/Maher_Arar http://en.wikipedia.org/wiki/Maher_Arar