Who do they think they're kidding?
This was both covert AND intrusive, not to mention illegal.
There should NOT have been an 'intrusive method'! There should NOT have been a 'covert source'!
They really do believe we're this dumb.
Protocols of the Elders of Spydom:
https://garygindler.wordpress.com/2018/05/17/protocols-of-the-elders-of-spydom/