This document discusses various camera shot types that are commonly used in psychological thriller films to create mystery, suspense and introduce characters and plotlines in an enigmatic way. It provides examples of how over-the-shoulder shots, arc shots, extreme close-ups, medium shots, close-ups and medium close-ups have been effectively utilized in the openings of films like Black Swan, The Sixth Sense, Secret Window, The Cube and Se7en to hide characters' identities, focus on their movements and subtly foreshadow storylines, engaging audiences and setting the tone for these suspenseful genres.