The document analyzes techniques used in several student films. It discusses the use of red herrings, concealed images of characters, jump cuts, point of view shots, lighting, sound effects, mysteries around the identity of killers, and other techniques to build suspense, tension, and keep audiences confused about what is happening. Multiple films employ techniques like never revealing the killer's identity, limited dialogue, timers adding a sense of urgency, and flashbacks to enhance the thriller and mysterious elements of the stories.