Serial or sex murder, like fetishism, is a perversion of male intelligence. It is a criminal abstraction, masculine in its deranged egotism and orderliness. It is the asocial equivalent of philosophy, mathematics, and music. There is no female Mozart because there is no female Jack the Ripper.
It's important to be yourself. What art does for everyone, helps you understand yourself and in a distilled way, whether it's a painting or a scene in acting or a joke. It distills something about everyday life that can be important to you.