In Dead Doubles, Trevor Barnes mines newly-declassified MI-5 files to tell the story of the hunt for the Portland Spy Ring.

China has denied the allegations of spying and intellectual property theft as "malicious slander."

The note, obtained by The Canadian Press through the Access to Information Act, was included in materials to help prepare Trudeau for his second mandate following the Liberal victory in the October election.

Prosecutors say Chinese intelligence officers gave Lee more than US$840,000 over a three-year period beginning in 2010, and that Lee likely gave them all the information he had from a 13-year career as a CIA case officer. They sought a prison term of more than 20 years.

Stephen McNeil says he believes it is important to build relationships through trade that benefit both economies.

Yang, who was born in China, was detained in the southern city of Guangzhou in January amid growing tension between Australia and its largest trading partner.

Elena Crenna, now 57, and her Canadian husband are appealing the deportation order.

Elena Crenna, 57, “has engaged in acts of espionage contrary to Canada’s interests,” the Immigration Appeal Division ruled in a 27-page decision obtained by Global News.

Canada and its NATO allies are facing a growing threat from espionage, said NATO chief Jens Stoltenberg.

The case comes as a range of Western countries have either taken steps or said they are considering measures to limit access of Huawei to their markets.