https://en.m.wikipedia.org/wiki/Michel_Juneau-Katsuya
https://en.m.wikipedia.org/wiki/Project_Sidewinder
During an interview Mr Juneau-Katsuya gave at the end of last year he was mentioning that he/CSIS knew that all prime ministers from Mulroney to Harper had been compromised by China. They had even found an employee of the Conservative party that was going to China at regular intervals to pick up money meant for the party's coffers.
But hey, there's nothing to worry about, right?