This document discusses techniques used in thriller films to create suspense and tension for viewers. It notes that thrillers elicit feelings of suspense, excitement, anticipation, and anxiety. It then lists several cinematic techniques used in thrillers, including low key lighting, quick cuts, shadows, tension music, close ups of protagonists, hiding the identity of antagonists, jump cuts, continuous editing, suspenseful music that builds drama, establishing locations, low key lighting, differing costumes, and other elements of composition, acting, makeup, and film stocks.