The document discusses the four types of homicide: excusable, felonious, justifiable, and praiseworthy. Excusable homicide involves killing with legal authorization from authorities, such as for law enforcement. Felonious homicide is intentional killing without legal justification, like murder. Justifiable homicide includes cases of self-defense or accidental death. Praiseworthy homicide is when a group approves of a killing, such as of a hated leader. In conclusion, the document outlines the four "supreme dictators of the crime world" or categories of homicide.