Drolefille
PolyPanGeekGirl
Sure, I think that such proof would be easily established.
The catastrophic loss at the KD trial was an example where deception was proven.
Do you think perhaps the fact that no one has prosecuted is more demonstrative of the lack of evidence than your belief and your thought?
On one side - you believe they're liars and you think the proof is easily established.
On the other side - they're not charged nor convicted with fraud.
You asked why they're not being charged? The simplest answer is that there's no evidence that they're liars.