While it can be dangerous to assume, I have to assume that the "Hunter Thompson" referred to is the gent who blew his head off with a shotgun, ala Hemingway.
The Las Vegas connection would be he authored "Fear and Loathing in Las Vegas."
I guess I should have known that since it was brought up by Kim Lee and he is my sock puppet, or I am his sock puppet or we are feeding each other talking points or whatever the latest stupid conspiracy shit is.