Killer.Cloud the Serial Killer Database, an ongoing research project which aims to sort and classify serial killers based on documented references from books written about serial killers as well as other online resources listed at the bottom of each killers profile page.
The database currently contains 651 serial killers that are classified into serial killer types. Serial killer types are based on acts committed during a killers serial spree such as: torture, sexual assault rape, stalking, strangulation, consumption of human flesh or organs cannibalism, consumption of human blood vampirism, and/or sexual assault after death necrophilia. Killers can belong to more than one serial killer type.