Under this model, the state is divided into branches, each with separate and independent powers and areas of responsibility so that the powers of one branch are not in conflict with the powers associated with the other branches. The typical division of branches is into a legislature, an executive, and a judiciary. It can be contrasted with the fusion of powers in a parliamentary system where the executive and legislature (and sometimes parts of the judiciary) are unified.
Gein served as a model for several book and film characters, most notably such fictional serial killers as Norman Bates (Psycho), Leatherface (The Texas Chain Saw Massacre), Buffalo Bill (The Silence of the Lambs) and Bloody Face (American Horror Story).
Cody received the nickname Buffalo Bill after the American Civil War, when he had a contract to supply Kansas Pacific Railroad workers with buffalo (American bison) meat. Cody is purported to have killed 4,282 buffalo in eighteen months in 1867 and 1868.