Film Opening Analysis Continued

In this scene the characters naively pick up a stranded hitchhiker. He is overly confident taking in to consideration he has just met the cousins. The physically impaired character converses with the stranger and asks him of the slaughter house. He shows the disabled man a photo montage of diced animals and follows this peculiar act with the reply:  'I used to be the killer'. The hitchhiker then snatches a survival knife out of his hand and stares at it menacingly. The red paint/blood on the hitchhikers face is also a connotation of violence as well as the knife. Already the audience aren't feeling at ease with the unwelcome hitchhiker climbing aboard, but this feeling of suspense is reinforced with an eye-level close up of the mysterious man. Natural lighting also illuminates the van from the outside because it's in the day however
this also augments the element of realism.