[lightbulbish]

the expert in question has written books on the topic, and consulted to US government agencies like CIA. I think he has some credibility.

[hermitcrab]

Credibility and veracity are not the same thing. You can be a world class authority in something that is completely bogus.

[bdangubic]

this would be a definition of a paradox, how can you be world class authority in something bogus?

[hermitcrab]

There were experts on phrenology.