The opening scene of Nightcrawler establishes conventions of the thriller genre. It introduces the protagonist, Louis Bloom, as he cuts a fence at night which seems suspicious. When a police officer confronts him with a flashlight, Bloom appears uneasy and smug, making the audience unsure of his intentions. The camera angles and lighting create mystery and tension as the power dynamic between Bloom and the officer becomes ambiguous. A cut then reveals suspicious items in Bloom's car boot, furthering the sense of danger and mystery around his character. The scene sets up Bloom as an antagonist and the officer as a protagonist trying to resolve a disrupted situation, common in thriller genre openings.