i'd say the answer is justin castro made it happen as he is on record publicly saying how much he admired china's approach to governing;

Via: The Globe and Mail:

…The Fuzhou Public Security Bureau has established more than 50 “overseas police service centres” in cities around the world – including three publicly documented ones in Toronto, home to Canada’s largest Chinese diaspora.

This is an outrage. Chinese police setting up offices in Canada, then “persuading” alleged criminals to return to the motherland to face “justice” – while our own government and security services apparently choose to look the other way – represents a gross violation of Canada’s national sovereignty, international law and the norms of diplomacy. China is extending the grip of its Orwellian police state into this country, with seemingly no worry about being confronted by our own national security agencies......https://www.cryptogon.com/?p=64875