Tesis (1996)

Tesis (1996) is Amenábar's debut thriller that launched his career, focusing on a graduate student who uncovers snuff films on a university campus. Tesis uses snuff film footage as a data point for societal critique, showing 72% of students in the film are drawn to the material. It set a benchmark for Spanish genre cinema, paving the way for Amenábar's later works.