The position of the drink in the hand of Boyd Crowder changes when talking to Raylan.
When Dewey goes in the store asking for ski mask, the shop keeps says, "Boy, this is Kentucky, what do you need a ski mask for?" southeastern Kentucky may be culturally part of the south, but its climate has highly variable seasons, with warm summers and cold winters with snow December through February.
When Chief Art Mullen talks to Raylan about the bus, he mentions that the only person they found in the bus was a dead body with a hole the size of a .38 caliber bullet in his head. The man was actually shot with a rifle, most likely a .308.