When the mountain man is grinning at Jon Voight tied to the tree, you can see that his "missing" front tooth is actually painted black.
At the end of the film, the police officer advising Beatty and Voight to go away and not to come back is James Dickey, the screenwriter and author of the book the film is based on.
7 mistakes in Beetlejuice you never spotted
A new menu and more - thoughts welcome...
Chosen answer: Just like Burt Reynolds says. He clearly yells out "he was shot."
SAZOO1975