Visible crew/equipment: When Knoxville and a bad guy end up fighting hand to hand downstairs (in Chris's house) after trading off shotgun blasts at one point they end up grappling in front of an armoire with a glass front. Just before they struggle off to fight in another part of the room you can see a crew member with a black shirt appear from the left in the reflection of the glass. Since Chris appears in the scene about a few seconds after this it could be him. He was also wearing a black shirt but one things for sure whoever it was was not meant to be seen as they quickly ducked out of sight. (01:06:55)
Visible crew/equipment: When Jay and his girlfriend are out cruising in his Porsche, the camera car is reflected in the driver's side door. (00:47:55)
Visible crew/equipment: In the parking lot scene outside the closed lumber store, when Chris and his father pull away in the truck, the camera is reflected in the truck's window.
Answer: The role of sheriff is an elected, political position, and as recent US politics have shown, one can be elected to office with little or no previous relevant experience.