Like most thriller films, we used a lot of our clips thanks to Blockbuster Hollywood films. For example, bits that make you standout, attire, and so and so.
In our film we used knives, which is in almost every thriller film. The knife is a trademark representing death, the knife as a weapon, not as a piece of kitchen cutlery.
The dictionary was copied from Se7en, which I guess can be symbolic for a psycho too.