The document provides information about the trailer and mise-en-scene of the film "Sinister". Regarding the trailer, it does not reveal the film's name until the end to keep viewers watching. It also uses ominous non-diegetic music and audience reactions to build an unsettling atmosphere. Regarding mise-en-scene, it uses low-key lighting and dark colors to create a sinister and mysterious tone, while costumes distinguish villains from victims. Settings are typically dark alleys or houses meant to contrast normal life and dramatize fear.