The document analyzes the short film "The Culprit" and how it uses and challenges conventions of the thriller genre for short films. It discusses how the film has teenage characters and settings, though thrillers typically feature adult themes. It also summarizes how the film challenges conventions with its nonlinear narrative and use of flashbacks. Cinematography and sound techniques like silhouette lighting and diegetic/non-diegetic sounds are also discussed. The film is compared to the short thriller "Across The Hall" which also builds suspense through a slowly revealed narrative.