Can I suggest...?
Re "Oh, the receptionist, you want a drug test? oh ok, any drugs? yeah i had a head cold the other day, no sir, I don't have a pilots licence... "
This should be described with date / time, the CASA person's name, and formally sent to Mr Mark Skidmore, with a polite, factual letter for notification / further explanation.
I would think it hard to convict a 'non-flying' person for what is obstensively, a 'flying offence'. (?)
The answer should be 'of interest'.
Cheers