According to the Canadian Broadcasting Corporation, Mr Delisle worked for a unit that tracked vessels entering and exiting Canadian waters.

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He reportedly worked for a unit that tracked vessels entering and exiting Canadian waters, with access to information shared by the Five Eyes community that includes Canada, the United States, Britain, Australia and New Zealand.

BBC: Prison for Canadian navy officer turned Russian spy

SAFE, a unit of the central bank, said the new rules were intended to strengthen the control of foreign currency entering the country.

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