A few introductory scenes of each character, some alcohol and drug use, as well as a game of truth or dare takes place before the fun really kicks off, with terrifying creatures soon surrounding the cabin. (thecriticalcritics.com)
Chigurh's introductory scenes show him to possess a code of sorts, unfamiliar to any rational audience member, that allows him to kill without remorse and even occasionally to let luck decide who lives or dies. (hoopla.nu)
There's an early introductory scene that shows Zavala squaring off against another law enforcement type (he may have been a firefighter, actually) in a boxing ring and later there are alternate takes of Taylor and Zavala debriefing their superiors on the fire rescue, which was an different take on the «found footage» idea. (collider.com)