Leaving keys etc. I could understand as a political statement, but loaded guns? Madman!
He gives a reason for doing so, although the article points out that his reason is suspect.
More like the sheriff is butthurt at the explanation, even were it proven true he wouldn't be able to accept it as such.
Though, Friedman also does have a touch of the narcissim thing going on, in that he enjoys it that Hall says "he can't be understood".