The document analyzes opening film techniques used in an unspecified film. It discusses the lack of titles or credits in the first two minutes as the detectives are in the middle of an investigation. Close-up shots are used effectively, such as one of a male covered in blood that prompts questions. The mise-en-scene is dark and disturbing, matching the circumstances. Match cuts are used to emphasize continuity as the detectives search for clues. No sound is used during the opening scene due to dialogue between characters. The actors are positioned as detectives carefully inspecting and moving through the scene.