In the Mexican hotel room, Rack gives the shotgun to Lonnie. Lonnie lays it on the bed with the barrel pointing to the pillow. When Lonnie is working with the pillow case, it flips directions twice.
When Jeff and Rack are looking for a radiator, they pass a pile of cars when heading toward the junkyard. When Rack, Lonnie, Skunk, and Tito leave, they pass the same pile of cars.
During the scene where Lonnie honks the horn, you can see an advertisement saying Coca Cola for $10. '$' is also the sign for the Peso.
During the scene where Manuel shoots a prisoner, there is no blood on the carpet. Even when he says the prisoner is bleeding all over the rug, there is still no blood on the carpet.
During a shot of one of the dead bodies after the shootout, you can see the body breathing.
During the scene where Lonnie crashes the truck into some road barriers, there is just a piece of wood sticking out of the grille. There should be some damage on the bumper, considering all of the barriers the truck hit.
During the scene where the girls flash Lonnie, you can see a camera in the sunglasses during a closeup of one of the girls.
The movie takes place in Greer County, Oklahoma. Rack, Lonnie, and Skunk work at the Jackson County Sheriff, which is in Jackson County, Oklahoma. Jackson County is south of Greer County.
When Rack comes out of his house during one scene, you can see a desert landscape. There is barely a desert in Oklahoma.