It is easy to miss, there is so much rubbish out there about her exploits that finding the evidence that is attributable to her directly is hard. The more people that keep digging, the greater the chance of finding a real gem that could perhaps nail this once and for all.
I must admit that I was surprised to find that article and half expecting it to have been mentioned before. All that is needed now is to locate that kind of message in a hidden video somewhere